Home / 221,086.24-331,531.92-63,278.88

Finding the Fourth Proportional to 221,086.24, 331,531.92 and 63,278.88

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Solution

The fourth proportional to 221,086.24, 331,531.92 and 63,278.88 is: 94,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,086.24 : 331,531.92 = 63,278.88 : x
  2. Step 2: Convert to fraction form
    221,086.24/331,531.92 = 63,278.88/x
  3. Step 3: Cross multiply
    221,086.24x = 331,531.92 × 63,278.88
  4. Step 4: Simplify right side
    221,086.24x = 20,978,968,581.85
  5. Step 5: Solve for x
    x = 20,978,968,581.85/221,086.24
  6. Step 6: Final answer
    x = 94,890.43

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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.