Home / 221,449.38-332,124.39-63,642.66

Finding the Fourth Proportional to 221,449.38, 332,124.39 and 63,642.66

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Solution

The fourth proportional to 221,449.38, 332,124.39 and 63,642.66 is: 95,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,449.38 : 332,124.39 = 63,642.66 : x
  2. Step 2: Convert to fraction form
    221,449.38/332,124.39 = 63,642.66/x
  3. Step 3: Cross multiply
    221,449.38x = 332,124.39 × 63,642.66
  4. Step 4: Simplify right side
    221,449.38x = 21,137,279,630.48
  5. Step 5: Solve for x
    x = 21,137,279,630.48/221,449.38
  6. Step 6: Final answer
    x = 95,449.71

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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.