Home / 269,269.17-403,972.97-100,791.91

Finding the Fourth Proportional to 269,269.17, 403,972.97 and 100,791.91

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Solution

The fourth proportional to 269,269.17, 403,972.97 and 100,791.91 is: 151,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,269.17 : 403,972.97 = 100,791.91 : x
  2. Step 2: Convert to fraction form
    269,269.17/403,972.97 = 100,791.91/x
  3. Step 3: Cross multiply
    269,269.17x = 403,972.97 × 100,791.91
  4. Step 4: Simplify right side
    269,269.17x = 40,717,207,234.67
  5. Step 5: Solve for x
    x = 40,717,207,234.67/269,269.17
  6. Step 6: Final answer
    x = 151,213.77

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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.