Finding the Fourth Proportional to 467,900.13, 645,404.92 and 306,765.62
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Solution
The fourth proportional to 467,900.13, 645,404.92 and 306,765.62 is: 423,141.67
Step by Step Solution
- Step 1: Write the proportion equation
467,900.13 : 645,404.92 = 306,765.62 : x - Step 2: Convert to fraction form
467,900.13/645,404.92 = 306,765.62/x - Step 3: Cross multiply
467,900.13x = 645,404.92 × 306,765.62 - Step 4: Simplify right side
467,900.13x = 197,988,040,434.85 - Step 5: Solve for x
x = 197,988,040,434.85/467,900.13 - Step 6: Final answer
x = 423,141.67
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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.