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Finding the Fourth Proportional to 267,343.19, 400,883.49 and 132,251.16

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Solution

The fourth proportional to 267,343.19, 400,883.49 and 132,251.16 is: 198,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.19 : 400,883.49 = 132,251.16 : x
  2. Step 2: Convert to fraction form
    267,343.19/400,883.49 = 132,251.16/x
  3. Step 3: Cross multiply
    267,343.19x = 400,883.49 × 132,251.16
  4. Step 4: Simplify right side
    267,343.19x = 53,017,306,577.35
  5. Step 5: Solve for x
    x = 53,017,306,577.35/267,343.19
  6. Step 6: Final answer
    x = 198,311.79

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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.