Finding the Fourth Proportional to 378,680.31, 568,050.71 and 125,951.67
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Solution
The fourth proportional to 378,680.31, 568,050.71 and 125,951.67 is: 188,937.56
Step by Step Solution
- Step 1: Write the proportion equation
378,680.31 : 568,050.71 = 125,951.67 : x - Step 2: Convert to fraction form
378,680.31/568,050.71 = 125,951.67/x - Step 3: Cross multiply
378,680.31x = 568,050.71 × 125,951.67 - Step 4: Simplify right side
378,680.31x = 71,546,935,569.19 - Step 5: Solve for x
x = 71,546,935,569.19/378,680.31 - Step 6: Final answer
x = 188,937.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.