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Finding the Fourth Proportional to 221,450.40, 332,078.40 and 88,286.40

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Solution

The fourth proportional to 221,450.40, 332,078.40 and 88,286.40 is: 132,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,450.40 : 332,078.40 = 88,286.40 : x
  2. Step 2: Convert to fraction form
    221,450.40/332,078.40 = 88,286.40/x
  3. Step 3: Cross multiply
    221,450.40x = 332,078.40 × 88,286.40
  4. Step 4: Simplify right side
    221,450.40x = 29,318,006,453.76
  5. Step 5: Solve for x
    x = 29,318,006,453.76/221,450.40
  6. Step 6: Final answer
    x = 132,390.85

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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.