Home / 221,446.40-332,008.68-88,286.72

Finding the Fourth Proportional to 221,446.40, 332,008.68 and 88,286.72

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Solution

The fourth proportional to 221,446.40, 332,008.68 and 88,286.72 is: 132,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,446.40 : 332,008.68 = 88,286.72 : x
  2. Step 2: Convert to fraction form
    221,446.40/332,008.68 = 88,286.72/x
  3. Step 3: Cross multiply
    221,446.40x = 332,008.68 × 88,286.72
  4. Step 4: Simplify right side
    221,446.40x = 29,311,958,198.75
  5. Step 5: Solve for x
    x = 29,311,958,198.75/221,446.40
  6. Step 6: Final answer
    x = 132,365.93

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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.