Home / 221,455.50-332,183.25-71,820.96

Finding the Fourth Proportional to 221,455.50, 332,183.25 and 71,820.96

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Solution

The fourth proportional to 221,455.50, 332,183.25 and 71,820.96 is: 107,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,455.50 : 332,183.25 = 71,820.96 : x
  2. Step 2: Convert to fraction form
    221,455.50/332,183.25 = 71,820.96/x
  3. Step 3: Cross multiply
    221,455.50x = 332,183.25 × 71,820.96
  4. Step 4: Simplify right side
    221,455.50x = 23,857,719,910.92
  5. Step 5: Solve for x
    x = 23,857,719,910.92/221,455.50
  6. Step 6: Final answer
    x = 107,731.44

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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.