Finding the Fourth Proportional to 220,524.75, 304,337.49 and 129,941.19
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Solution
The fourth proportional to 220,524.75, 304,337.49 and 129,941.19 is: 179,326.70
Step by Step Solution
- Step 1: Write the proportion equation
220,524.75 : 304,337.49 = 129,941.19 : x - Step 2: Convert to fraction form
220,524.75/304,337.49 = 129,941.19/x - Step 3: Cross multiply
220,524.75x = 304,337.49 × 129,941.19 - Step 4: Simplify right side
220,524.75x = 39,545,975,612.21 - Step 5: Solve for x
x = 39,545,975,612.21/220,524.75 - Step 6: Final answer
x = 179,326.70
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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.