Home / 269,865.76-404,257.20-247,819.36

Finding the Fourth Proportional to 269,865.76, 404,257.20 and 247,819.36

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Solution

The fourth proportional to 269,865.76, 404,257.20 and 247,819.36 is: 371,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,865.76 : 404,257.20 = 247,819.36 : x
  2. Step 2: Convert to fraction form
    269,865.76/404,257.20 = 247,819.36/x
  3. Step 3: Cross multiply
    269,865.76x = 404,257.20 × 247,819.36
  4. Step 4: Simplify right side
    269,865.76x = 100,182,760,579.39
  5. Step 5: Solve for x
    x = 100,182,760,579.39/269,865.76
  6. Step 6: Final answer
    x = 371,231.83

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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.