Home / 221,917.38-332,959.90-133,232.70

Finding the Fourth Proportional to 221,917.38, 332,959.90 and 133,232.70

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Solution

The fourth proportional to 221,917.38, 332,959.90 and 133,232.70 is: 199,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,917.38 : 332,959.90 = 133,232.70 : x
  2. Step 2: Convert to fraction form
    221,917.38/332,959.90 = 133,232.70/x
  3. Step 3: Cross multiply
    221,917.38x = 332,959.90 × 133,232.70
  4. Step 4: Simplify right side
    221,917.38x = 44,361,146,468.73
  5. Step 5: Solve for x
    x = 44,361,146,468.73/221,917.38
  6. Step 6: Final answer
    x = 199,899.38

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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.