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Finding the Fourth Proportional to 221,773.80, 332,704.54 and 71,986.28

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Solution

The fourth proportional to 221,773.80, 332,704.54 and 71,986.28 is: 107,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,773.80 : 332,704.54 = 71,986.28 : x
  2. Step 2: Convert to fraction form
    221,773.80/332,704.54 = 71,986.28/x
  3. Step 3: Cross multiply
    221,773.80x = 332,704.54 × 71,986.28
  4. Step 4: Simplify right side
    221,773.80x = 23,950,162,173.71
  5. Step 5: Solve for x
    x = 23,950,162,173.71/221,773.80
  6. Step 6: Final answer
    x = 107,993.65

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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.