Home / 221,552.20-331,890.90-132,541.30

Finding the Fourth Proportional to 221,552.20, 331,890.90 and 132,541.30

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Solution

The fourth proportional to 221,552.20, 331,890.90 and 132,541.30 is: 198,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,552.20 : 331,890.90 = 132,541.30 : x
  2. Step 2: Convert to fraction form
    221,552.20/331,890.90 = 132,541.30/x
  3. Step 3: Cross multiply
    221,552.20x = 331,890.90 × 132,541.30
  4. Step 4: Simplify right side
    221,552.20x = 43,989,251,344.17
  5. Step 5: Solve for x
    x = 43,989,251,344.17/221,552.20
  6. Step 6: Final answer
    x = 198,550.28

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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.