Home / 221,815.40-332,723.10-162,766.40

Finding the Fourth Proportional to 221,815.40, 332,723.10 and 162,766.40

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Solution

The fourth proportional to 221,815.40, 332,723.10 and 162,766.40 is: 244,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,815.40 : 332,723.10 = 162,766.40 : x
  2. Step 2: Convert to fraction form
    221,815.40/332,723.10 = 162,766.40/x
  3. Step 3: Cross multiply
    221,815.40x = 332,723.10 × 162,766.40
  4. Step 4: Simplify right side
    221,815.40x = 54,156,141,183.84
  5. Step 5: Solve for x
    x = 54,156,141,183.84/221,815.40
  6. Step 6: Final answer
    x = 244,149.60

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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.