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Finding the Fourth Proportional to 445,818.67, 615,229.77 and 254,836.20

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Solution

The fourth proportional to 445,818.67, 615,229.77 and 254,836.20 is: 351,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,818.67 : 615,229.77 = 254,836.20 : x
  2. Step 2: Convert to fraction form
    445,818.67/615,229.77 = 254,836.20/x
  3. Step 3: Cross multiply
    445,818.67x = 615,229.77 × 254,836.20
  4. Step 4: Simplify right side
    445,818.67x = 156,782,816,713.67
  5. Step 5: Solve for x
    x = 156,782,816,713.67/445,818.67
  6. Step 6: Final answer
    x = 351,673.96

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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.