Home / 220,890.60-331,335.90-108,588.15

Finding the Fourth Proportional to 220,890.60, 331,335.90 and 108,588.15

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Solution

The fourth proportional to 220,890.60, 331,335.90 and 108,588.15 is: 162,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,890.60 : 331,335.90 = 108,588.15 : x
  2. Step 2: Convert to fraction form
    220,890.60/331,335.90 = 108,588.15/x
  3. Step 3: Cross multiply
    220,890.60x = 331,335.90 × 108,588.15
  4. Step 4: Simplify right side
    220,890.60x = 35,979,152,409.59
  5. Step 5: Solve for x
    x = 35,979,152,409.59/220,890.60
  6. Step 6: Final answer
    x = 162,882.23

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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.