Home / 323,131.38-445,912.62-179,891.44

Finding the Fourth Proportional to 323,131.38, 445,912.62 and 179,891.44

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Solution

The fourth proportional to 323,131.38, 445,912.62 and 179,891.44 is: 248,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,131.38 : 445,912.62 = 179,891.44 : x
  2. Step 2: Convert to fraction form
    323,131.38/445,912.62 = 179,891.44/x
  3. Step 3: Cross multiply
    323,131.38x = 445,912.62 × 179,891.44
  4. Step 4: Simplify right side
    323,131.38x = 80,215,863,296.67
  5. Step 5: Solve for x
    x = 80,215,863,296.67/323,131.38
  6. Step 6: Final answer
    x = 248,245.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.