1/4 hours = 1 mile walked

1/2 hour = 2 miles walked
3/4 hour = 4 miles walked
1 hour = 4 miles walked

It takes Julian 1/2 hour to walk 2 miles. He decides to start working in his spare time, but because he wants to make sure he has enough time to go a desired distance he created the data table. At which ratio does the constant of proportionality appear?

1/4,1
4,1
1,4
1,1/4

The constant of proportionality appears at the ratio 1,4 in the data table. This is because for every 1 hour Julian walks, he can walk 4 miles.