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Finding the Fourth Proportional to 266,324.08, 399,487.68 and 88,830.64

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Solution

The fourth proportional to 266,324.08, 399,487.68 and 88,830.64 is: 133,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,324.08 : 399,487.68 = 88,830.64 : x
  2. Step 2: Convert to fraction form
    266,324.08/399,487.68 = 88,830.64/x
  3. Step 3: Cross multiply
    266,324.08x = 399,487.68 × 88,830.64
  4. Step 4: Simplify right side
    266,324.08x = 35,486,746,286.52
  5. Step 5: Solve for x
    x = 35,486,746,286.52/266,324.08
  6. Step 6: Final answer
    x = 133,246.48

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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.