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Finding the Fourth Proportional to 266,327.25, 399,492.39 and 88,833.73

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Solution

The fourth proportional to 266,327.25, 399,492.39 and 88,833.73 is: 133,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,327.25 : 399,492.39 = 88,833.73 : x
  2. Step 2: Convert to fraction form
    266,327.25/399,492.39 = 88,833.73/x
  3. Step 3: Cross multiply
    266,327.25x = 399,492.39 × 88,833.73
  4. Step 4: Simplify right side
    266,327.25x = 35,488,399,110.31
  5. Step 5: Solve for x
    x = 35,488,399,110.31/266,327.25
  6. Step 6: Final answer
    x = 133,251.10

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1.5x scale

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.