Home / 272,008.20-408,077.10-131,651.40

Finding the Fourth Proportional to 272,008.20, 408,077.10 and 131,651.40

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Solution

The fourth proportional to 272,008.20, 408,077.10 and 131,651.40 is: 197,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,008.20 : 408,077.10 = 131,651.40 : x
  2. Step 2: Convert to fraction form
    272,008.20/408,077.10 = 131,651.40/x
  3. Step 3: Cross multiply
    272,008.20x = 408,077.10 × 131,651.40
  4. Step 4: Simplify right side
    272,008.20x = 53,723,921,522.94
  5. Step 5: Solve for x
    x = 53,723,921,522.94/272,008.20
  6. Step 6: Final answer
    x = 197,508.46

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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.