Home / 351,349.38-527,022.18-85,109.76

Finding the Fourth Proportional to 351,349.38, 527,022.18 and 85,109.76

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Solution

The fourth proportional to 351,349.38, 527,022.18 and 85,109.76 is: 127,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,349.38 : 527,022.18 = 85,109.76 : x
  2. Step 2: Convert to fraction form
    351,349.38/527,022.18 = 85,109.76/x
  3. Step 3: Cross multiply
    351,349.38x = 527,022.18 × 85,109.76
  4. Step 4: Simplify right side
    351,349.38x = 44,854,731,254.48
  5. Step 5: Solve for x
    x = 44,854,731,254.48/351,349.38
  6. Step 6: Final answer
    x = 127,664.18

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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.