Home / 219,610.20-329,469.30-61,836.60

Finding the Fourth Proportional to 219,610.20, 329,469.30 and 61,836.60

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Solution

The fourth proportional to 219,610.20, 329,469.30 and 61,836.60 is: 92,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,610.20 : 329,469.30 = 61,836.60 : x
  2. Step 2: Convert to fraction form
    219,610.20/329,469.30 = 61,836.60/x
  3. Step 3: Cross multiply
    219,610.20x = 329,469.30 × 61,836.60
  4. Step 4: Simplify right side
    219,610.20x = 20,373,261,316.38
  5. Step 5: Solve for x
    x = 20,373,261,316.38/219,610.20
  6. Step 6: Final answer
    x = 92,770.11

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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.