Home / 221,080.43-331,685.24-71,317.41

Finding the Fourth Proportional to 221,080.43, 331,685.24 and 71,317.41

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Solution

The fourth proportional to 221,080.43, 331,685.24 and 71,317.41 is: 106,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,080.43 : 331,685.24 = 71,317.41 : x
  2. Step 2: Convert to fraction form
    221,080.43/331,685.24 = 71,317.41/x
  3. Step 3: Cross multiply
    221,080.43x = 331,685.24 × 71,317.41
  4. Step 4: Simplify right side
    221,080.43x = 23,654,931,895.44
  5. Step 5: Solve for x
    x = 23,654,931,895.44/221,080.43
  6. Step 6: Final answer
    x = 106,996.95

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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.