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Finding the Fourth Proportional to 254,346.90, 381,520.35 and 88,151.70

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Solution

The fourth proportional to 254,346.90, 381,520.35 and 88,151.70 is: 132,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,346.90 : 381,520.35 = 88,151.70 : x
  2. Step 2: Convert to fraction form
    254,346.90/381,520.35 = 88,151.70/x
  3. Step 3: Cross multiply
    254,346.90x = 381,520.35 × 88,151.70
  4. Step 4: Simplify right side
    254,346.90x = 33,631,667,437.10
  5. Step 5: Solve for x
    x = 33,631,667,437.10/254,346.90
  6. Step 6: Final answer
    x = 132,227.55

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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.