Home / 221,016.20-331,521.84-132,294.47

Finding the Fourth Proportional to 221,016.20, 331,521.84 and 132,294.47

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Solution

The fourth proportional to 221,016.20, 331,521.84 and 132,294.47 is: 198,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,016.20 : 331,521.84 = 132,294.47 : x
  2. Step 2: Convert to fraction form
    221,016.20/331,521.84 = 132,294.47/x
  3. Step 3: Cross multiply
    221,016.20x = 331,521.84 × 132,294.47
  4. Step 4: Simplify right side
    221,016.20x = 43,858,504,458.62
  5. Step 5: Solve for x
    x = 43,858,504,458.62/221,016.20
  6. Step 6: Final answer
    x = 198,440.23

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1.5x scale

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.