Home / 272,142.30-408,214.40-82,604.27

Finding the Fourth Proportional to 272,142.30, 408,214.40 and 82,604.27

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Solution

The fourth proportional to 272,142.30, 408,214.40 and 82,604.27 is: 123,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,142.30 : 408,214.40 = 82,604.27 : x
  2. Step 2: Convert to fraction form
    272,142.30/408,214.40 = 82,604.27/x
  3. Step 3: Cross multiply
    272,142.30x = 408,214.40 × 82,604.27
  4. Step 4: Simplify right side
    272,142.30x = 33,720,253,123.00
  5. Step 5: Solve for x
    x = 33,720,253,123.00/272,142.30
  6. Step 6: Final answer
    x = 123,906.70

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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.