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Finding the Fourth Proportional to 256,520.52, 384,744.63 and 88,037.88

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Solution

The fourth proportional to 256,520.52, 384,744.63 and 88,037.88 is: 132,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,520.52 : 384,744.63 = 88,037.88 : x
  2. Step 2: Convert to fraction form
    256,520.52/384,744.63 = 88,037.88/x
  3. Step 3: Cross multiply
    256,520.52x = 384,744.63 × 88,037.88
  4. Step 4: Simplify right side
    256,520.52x = 33,872,101,566.58
  5. Step 5: Solve for x
    x = 33,872,101,566.58/256,520.52
  6. Step 6: Final answer
    x = 132,044.41

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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.