Finding the Fourth Proportional to 209,223.68, 288,770.68 and 124,324.32
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Solution
The fourth proportional to 209,223.68, 288,770.68 and 124,324.32 is: 171,592.52
Step by Step Solution
- Step 1: Write the proportion equation
209,223.68 : 288,770.68 = 124,324.32 : x - Step 2: Convert to fraction form
209,223.68/288,770.68 = 124,324.32/x - Step 3: Cross multiply
209,223.68x = 288,770.68 × 124,324.32 - Step 4: Simplify right side
209,223.68x = 35,901,218,426.94 - Step 5: Solve for x
x = 35,901,218,426.94/209,223.68 - Step 6: Final answer
x = 171,592.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.