Home / 213,494.28-320,229.87-108,310.52

Finding the Fourth Proportional to 213,494.28, 320,229.87 and 108,310.52

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Solution

The fourth proportional to 213,494.28, 320,229.87 and 108,310.52 is: 162,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,494.28 : 320,229.87 = 108,310.52 : x
  2. Step 2: Convert to fraction form
    213,494.28/320,229.87 = 108,310.52/x
  3. Step 3: Cross multiply
    213,494.28x = 320,229.87 × 108,310.52
  4. Step 4: Simplify right side
    213,494.28x = 34,684,262,138.08
  5. Step 5: Solve for x
    x = 34,684,262,138.08/213,494.28
  6. Step 6: Final answer
    x = 162,459.91

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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.