A town has six flower shops. Their one-year sales figures are compared in the chart. Find the ratio of sales at Radio Flowers to those at Sifter's.

Corolla and Sons
Winnie-the-Florist
Radio Flowers
Flowers of Distinction
Sifter's
Gorilla Flowers

To find the ratio of sales at Radio Flowers to Sifter's, we need the sales figures for both flower shops.

However, the sales figures are not provided in the question. Therefore, we cannot determine the ratio without the necessary information.