Home / 498,939.72-748,459.98-161,966.28

Finding the Fourth Proportional to 498,939.72, 748,459.98 and 161,966.28

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Solution

The fourth proportional to 498,939.72, 748,459.98 and 161,966.28 is: 242,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,939.72 : 748,459.98 = 161,966.28 : x
  2. Step 2: Convert to fraction form
    498,939.72/748,459.98 = 161,966.28/x
  3. Step 3: Cross multiply
    498,939.72x = 748,459.98 × 161,966.28
  4. Step 4: Simplify right side
    498,939.72x = 121,225,278,689.47
  5. Step 5: Solve for x
    x = 121,225,278,689.47/498,939.72
  6. Step 6: Final answer
    x = 242,965.78

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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.