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Finding the Fourth Proportional to 254,335.68, 381,503.70 and 88,123.68

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Solution

The fourth proportional to 254,335.68, 381,503.70 and 88,123.68 is: 132,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,335.68 : 381,503.70 = 88,123.68 : x
  2. Step 2: Convert to fraction form
    254,335.68/381,503.70 = 88,123.68/x
  3. Step 3: Cross multiply
    254,335.68x = 381,503.70 × 88,123.68
  4. Step 4: Simplify right side
    254,335.68x = 33,619,509,977.62
  5. Step 5: Solve for x
    x = 33,619,509,977.62/254,335.68
  6. Step 6: Final answer
    x = 132,185.58

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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.