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Finding the Fourth Proportional to 138,379, 207,568.50 and 44,884.76

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Solution

The fourth proportional to 138,379, 207,568.50 and 44,884.76 is: 67,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,379 : 207,568.50 = 44,884.76 : x
  2. Step 2: Convert to fraction form
    138,379/207,568.50 = 44,884.76/x
  3. Step 3: Cross multiply
    138,379x = 207,568.50 × 44,884.76
  4. Step 4: Simplify right side
    138,379x = 9,316,662,306.06
  5. Step 5: Solve for x
    x = 9,316,662,306.06/138,379
  6. Step 6: Final answer
    x = 67,327.14

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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.