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Finding the Fourth Proportional to 266,689.98, 400,192.56 and 98,327.88

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Solution

The fourth proportional to 266,689.98, 400,192.56 and 98,327.88 is: 147,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,689.98 : 400,192.56 = 98,327.88 : x
  2. Step 2: Convert to fraction form
    266,689.98/400,192.56 = 98,327.88/x
  3. Step 3: Cross multiply
    266,689.98x = 400,192.56 × 98,327.88
  4. Step 4: Simplify right side
    266,689.98x = 39,350,086,016.57
  5. Step 5: Solve for x
    x = 39,350,086,016.57/266,689.98
  6. Step 6: Final answer
    x = 147,549.92

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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.