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Finding the Fourth Proportional to 266,229.46, 399,350.40 and 88,750.90

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Solution

The fourth proportional to 266,229.46, 399,350.40 and 88,750.90 is: 133,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,229.46 : 399,350.40 = 88,750.90 : x
  2. Step 2: Convert to fraction form
    266,229.46/399,350.40 = 88,750.90/x
  3. Step 3: Cross multiply
    266,229.46x = 399,350.40 × 88,750.90
  4. Step 4: Simplify right side
    266,229.46x = 35,442,707,415.36
  5. Step 5: Solve for x
    x = 35,442,707,415.36/266,229.46
  6. Step 6: Final answer
    x = 133,128.42

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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.