Home / 272,110.11-408,165.24-79,984.58

Finding the Fourth Proportional to 272,110.11, 408,165.24 and 79,984.58

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Solution

The fourth proportional to 272,110.11, 408,165.24 and 79,984.58 is: 119,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,110.11 : 408,165.24 = 79,984.58 : x
  2. Step 2: Convert to fraction form
    272,110.11/408,165.24 = 79,984.58/x
  3. Step 3: Cross multiply
    272,110.11x = 408,165.24 × 79,984.58
  4. Step 4: Simplify right side
    272,110.11x = 32,646,923,251.17
  5. Step 5: Solve for x
    x = 32,646,923,251.17/272,110.11
  6. Step 6: Final answer
    x = 119,976.88

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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.