Home / 220,827.20-331,246.22-80,585.80

Finding the Fourth Proportional to 220,827.20, 331,246.22 and 80,585.80

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Solution

The fourth proportional to 220,827.20, 331,246.22 and 80,585.80 is: 120,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,827.20 : 331,246.22 = 80,585.80 : x
  2. Step 2: Convert to fraction form
    220,827.20/331,246.22 = 80,585.80/x
  3. Step 3: Cross multiply
    220,827.20x = 331,246.22 × 80,585.80
  4. Step 4: Simplify right side
    220,827.20x = 26,693,741,635.68
  5. Step 5: Solve for x
    x = 26,693,741,635.68/220,827.20
  6. Step 6: Final answer
    x = 120,880.68

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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.