Home / 269,296.20-403,604.10-136,213.20

Finding the Fourth Proportional to 269,296.20, 403,604.10 and 136,213.20

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Solution

The fourth proportional to 269,296.20, 403,604.10 and 136,213.20 is: 204,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,296.20 : 403,604.10 = 136,213.20 : x
  2. Step 2: Convert to fraction form
    269,296.20/403,604.10 = 136,213.20/x
  3. Step 3: Cross multiply
    269,296.20x = 403,604.10 × 136,213.20
  4. Step 4: Simplify right side
    269,296.20x = 54,976,205,994.12
  5. Step 5: Solve for x
    x = 54,976,205,994.12/269,296.20
  6. Step 6: Final answer
    x = 204,147.72

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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.