Home / 272,044.30-408,066.45-192,729.10

Finding the Fourth Proportional to 272,044.30, 408,066.45 and 192,729.10

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Solution

The fourth proportional to 272,044.30, 408,066.45 and 192,729.10 is: 289,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,044.30 : 408,066.45 = 192,729.10 : x
  2. Step 2: Convert to fraction form
    272,044.30/408,066.45 = 192,729.10/x
  3. Step 3: Cross multiply
    272,044.30x = 408,066.45 × 192,729.10
  4. Step 4: Simplify right side
    272,044.30x = 78,646,279,648.70
  5. Step 5: Solve for x
    x = 78,646,279,648.70/272,044.30
  6. Step 6: Final answer
    x = 289,093.65

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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.