Home / 252,909.20-379,036.76-189,229.70

Finding the Fourth Proportional to 252,909.20, 379,036.76 and 189,229.70

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Solution

The fourth proportional to 252,909.20, 379,036.76 and 189,229.70 is: 283,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,909.20 : 379,036.76 = 189,229.70 : x
  2. Step 2: Convert to fraction form
    252,909.20/379,036.76 = 189,229.70/x
  3. Step 3: Cross multiply
    252,909.20x = 379,036.76 × 189,229.70
  4. Step 4: Simplify right side
    252,909.20x = 71,725,009,542.44
  5. Step 5: Solve for x
    x = 71,725,009,542.44/252,909.20
  6. Step 6: Final answer
    x = 283,599.85

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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.