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Finding the Fourth Proportional to 267,082.52, 400,047.80 and 251,379.84

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Solution

The fourth proportional to 267,082.52, 400,047.80 and 251,379.84 is: 376,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,082.52 : 400,047.80 = 251,379.84 : x
  2. Step 2: Convert to fraction form
    267,082.52/400,047.80 = 251,379.84/x
  3. Step 3: Cross multiply
    267,082.52x = 400,047.80 × 251,379.84
  4. Step 4: Simplify right side
    267,082.52x = 100,563,951,956.35
  5. Step 5: Solve for x
    x = 100,563,951,956.35/267,082.52
  6. Step 6: Final answer
    x = 376,527.64

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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.