Home / 220,799.40-331,199.10-132,325.80

Finding the Fourth Proportional to 220,799.40, 331,199.10 and 132,325.80

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Solution

The fourth proportional to 220,799.40, 331,199.10 and 132,325.80 is: 198,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,799.40 : 331,199.10 = 132,325.80 : x
  2. Step 2: Convert to fraction form
    220,799.40/331,199.10 = 132,325.80/x
  3. Step 3: Cross multiply
    220,799.40x = 331,199.10 × 132,325.80
  4. Step 4: Simplify right side
    220,799.40x = 43,826,185,866.78
  5. Step 5: Solve for x
    x = 43,826,185,866.78/220,799.40
  6. Step 6: Final answer
    x = 198,488.70

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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.