Finding the Fourth Proportional to 378,580.70, 567,748.13 and 125,793.31
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Solution
The fourth proportional to 378,580.70, 567,748.13 and 125,793.31 is: 188,649.12
Step by Step Solution
- Step 1: Write the proportion equation
378,580.70 : 567,748.13 = 125,793.31 : x - Step 2: Convert to fraction form
378,580.70/567,748.13 = 125,793.31/x - Step 3: Cross multiply
378,580.70x = 567,748.13 × 125,793.31 - Step 4: Simplify right side
378,580.70x = 71,418,916,519.01 - Step 5: Solve for x
x = 71,418,916,519.01/378,580.70 - Step 6: Final answer
x = 188,649.12
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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.