Home / 403,610.10-604,983.15-137,123.70

Finding the Fourth Proportional to 403,610.10, 604,983.15 and 137,123.70

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Solution

The fourth proportional to 403,610.10, 604,983.15 and 137,123.70 is: 205,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,610.10 : 604,983.15 = 137,123.70 : x
  2. Step 2: Convert to fraction form
    403,610.10/604,983.15 = 137,123.70/x
  3. Step 3: Cross multiply
    403,610.10x = 604,983.15 × 137,123.70
  4. Step 4: Simplify right side
    403,610.10x = 82,957,527,965.66
  5. Step 5: Solve for x
    x = 82,957,527,965.66/403,610.10
  6. Step 6: Final answer
    x = 205,538.78

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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.