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Finding the Fourth Proportional to 254,354.32, 381,600.60 and 88,155.28

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Solution

The fourth proportional to 254,354.32, 381,600.60 and 88,155.28 is: 132,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,354.32 : 381,600.60 = 88,155.28 : x
  2. Step 2: Convert to fraction form
    254,354.32/381,600.60 = 88,155.28/x
  3. Step 3: Cross multiply
    254,354.32x = 381,600.60 × 88,155.28
  4. Step 4: Simplify right side
    254,354.32x = 33,640,107,741.17
  5. Step 5: Solve for x
    x = 33,640,107,741.17/254,354.32
  6. Step 6: Final answer
    x = 132,256.88

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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.