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Finding the Fourth Proportional to 445,132.80, 667,180.80 and 178,761.60

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Solution

The fourth proportional to 445,132.80, 667,180.80 and 178,761.60 is: 267,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,132.80 : 667,180.80 = 178,761.60 : x
  2. Step 2: Convert to fraction form
    445,132.80/667,180.80 = 178,761.60/x
  3. Step 3: Cross multiply
    445,132.80x = 667,180.80 × 178,761.60
  4. Step 4: Simplify right side
    445,132.80x = 119,266,307,297.28
  5. Step 5: Solve for x
    x = 119,266,307,297.28/445,132.80
  6. Step 6: Final answer
    x = 267,934.21

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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.