Home / 221,043.30-331,370.55-132,332.10

Finding the Fourth Proportional to 221,043.30, 331,370.55 and 132,332.10

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Solution

The fourth proportional to 221,043.30, 331,370.55 and 132,332.10 is: 198,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,043.30 : 331,370.55 = 132,332.10 : x
  2. Step 2: Convert to fraction form
    221,043.30/331,370.55 = 132,332.10/x
  3. Step 3: Cross multiply
    221,043.30x = 331,370.55 × 132,332.10
  4. Step 4: Simplify right side
    221,043.30x = 43,850,960,759.66
  5. Step 5: Solve for x
    x = 43,850,960,759.66/221,043.30
  6. Step 6: Final answer
    x = 198,381.77

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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.