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Finding the Fourth Proportional to 441,481.60, 662,234.56 and 161,207.68

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Solution

The fourth proportional to 441,481.60, 662,234.56 and 161,207.68 is: 241,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,481.60 : 662,234.56 = 161,207.68 : x
  2. Step 2: Convert to fraction form
    441,481.60/662,234.56 = 161,207.68/x
  3. Step 3: Cross multiply
    441,481.60x = 662,234.56 × 161,207.68
  4. Step 4: Simplify right side
    441,481.60x = 106,757,297,033.42
  5. Step 5: Solve for x
    x = 106,757,297,033.42/441,481.60
  6. Step 6: Final answer
    x = 241,815.96

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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.