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Finding the Fourth Proportional to 221,454.80, 332,021.22 and 88,295.12

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Solution

The fourth proportional to 221,454.80, 332,021.22 and 88,295.12 is: 132,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,454.80 : 332,021.22 = 88,295.12 : x
  2. Step 2: Convert to fraction form
    221,454.80/332,021.22 = 88,295.12/x
  3. Step 3: Cross multiply
    221,454.80x = 332,021.22 × 88,295.12
  4. Step 4: Simplify right side
    221,454.80x = 29,315,853,462.45
  5. Step 5: Solve for x
    x = 29,315,853,462.45/221,454.80
  6. Step 6: Final answer
    x = 132,378.50

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1.5x scale

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.