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Finding the Fourth Proportional to 272,488.38, 408,760.44 and 104,150.39

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Solution

The fourth proportional to 272,488.38, 408,760.44 and 104,150.39 is: 156,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,488.38 : 408,760.44 = 104,150.39 : x
  2. Step 2: Convert to fraction form
    272,488.38/408,760.44 = 104,150.39/x
  3. Step 3: Cross multiply
    272,488.38x = 408,760.44 × 104,150.39
  4. Step 4: Simplify right side
    272,488.38x = 42,572,560,978.40
  5. Step 5: Solve for x
    x = 42,572,560,978.40/272,488.38
  6. Step 6: Final answer
    x = 156,236.24

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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.