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Finding the Fourth Proportional to 239,671.62, 330,748.60 and 132,245.64

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Solution

The fourth proportional to 239,671.62, 330,748.60 and 132,245.64 is: 182,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,671.62 : 330,748.60 = 132,245.64 : x
  2. Step 2: Convert to fraction form
    239,671.62/330,748.60 = 132,245.64/x
  3. Step 3: Cross multiply
    239,671.62x = 330,748.60 × 132,245.64
  4. Step 4: Simplify right side
    239,671.62x = 43,740,060,286.10
  5. Step 5: Solve for x
    x = 43,740,060,286.10/239,671.62
  6. Step 6: Final answer
    x = 182,499.96

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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.