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Finding the Fourth Proportional to 266,095.60, 399,010.20 and 88,540.72

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Solution

The fourth proportional to 266,095.60, 399,010.20 and 88,540.72 is: 132,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,095.60 : 399,010.20 = 88,540.72 : x
  2. Step 2: Convert to fraction form
    266,095.60/399,010.20 = 88,540.72/x
  3. Step 3: Cross multiply
    266,095.60x = 399,010.20 × 88,540.72
  4. Step 4: Simplify right side
    266,095.60x = 35,328,650,395.34
  5. Step 5: Solve for x
    x = 35,328,650,395.34/266,095.60
  6. Step 6: Final answer
    x = 132,766.76

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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.