Home / 313,011.24-469,508.52-88,387.20

Finding the Fourth Proportional to 313,011.24, 469,508.52 and 88,387.20

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Solution

The fourth proportional to 313,011.24, 469,508.52 and 88,387.20 is: 132,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,011.24 : 469,508.52 = 88,387.20 : x
  2. Step 2: Convert to fraction form
    313,011.24/469,508.52 = 88,387.20/x
  3. Step 3: Cross multiply
    313,011.24x = 469,508.52 × 88,387.20
  4. Step 4: Simplify right side
    313,011.24x = 41,498,543,458.94
  5. Step 5: Solve for x
    x = 41,498,543,458.94/313,011.24
  6. Step 6: Final answer
    x = 132,578.44

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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.