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Finding the Fourth Proportional to 415,141.28, 572,789.52 and 253,937.44

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Solution

The fourth proportional to 415,141.28, 572,789.52 and 253,937.44 is: 350,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,141.28 : 572,789.52 = 253,937.44 : x
  2. Step 2: Convert to fraction form
    415,141.28/572,789.52 = 253,937.44/x
  3. Step 3: Cross multiply
    415,141.28x = 572,789.52 × 253,937.44
  4. Step 4: Simplify right side
    415,141.28x = 145,452,704,367.63
  5. Step 5: Solve for x
    x = 145,452,704,367.63/415,141.28
  6. Step 6: Final answer
    x = 350,369.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.