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Finding the Fourth Proportional to 445,715, 615,096.42 and 244,511

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Solution

The fourth proportional to 445,715, 615,096.42 and 244,511 is: 337,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,715 : 615,096.42 = 244,511 : x
  2. Step 2: Convert to fraction form
    445,715/615,096.42 = 244,511/x
  3. Step 3: Cross multiply
    445,715x = 615,096.42 × 244,511
  4. Step 4: Simplify right side
    445,715x = 150,397,840,750.62
  5. Step 5: Solve for x
    x = 150,397,840,750.62/445,715
  6. Step 6: Final answer
    x = 337,430.51

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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.