Home / 499,318.67-748,983.50-144,335.76

Finding the Fourth Proportional to 499,318.67, 748,983.50 and 144,335.76

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Solution

The fourth proportional to 499,318.67, 748,983.50 and 144,335.76 is: 216,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,318.67 : 748,983.50 = 144,335.76 : x
  2. Step 2: Convert to fraction form
    499,318.67/748,983.50 = 144,335.76/x
  3. Step 3: Cross multiply
    499,318.67x = 748,983.50 × 144,335.76
  4. Step 4: Simplify right side
    499,318.67x = 108,105,101,978.28
  5. Step 5: Solve for x
    x = 108,105,101,978.28/499,318.67
  6. Step 6: Final answer
    x = 216,505.23

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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.