Finding the Fourth Proportional to 396,149.46, 592,715.16 and 348,385.38
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Solution
The fourth proportional to 396,149.46, 592,715.16 and 348,385.38 is: 521,250.99
Step by Step Solution
- Step 1: Write the proportion equation
396,149.46 : 592,715.16 = 348,385.38 : x - Step 2: Convert to fraction form
396,149.46/592,715.16 = 348,385.38/x - Step 3: Cross multiply
396,149.46x = 592,715.16 × 348,385.38 - Step 4: Simplify right side
396,149.46x = 206,493,296,248.36 - Step 5: Solve for x
x = 206,493,296,248.36/396,149.46 - Step 6: Final answer
x = 521,250.99
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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.