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Finding the Fourth Proportional to 226,846.80, 313,049.82 and 124,882.56

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Solution

The fourth proportional to 226,846.80, 313,049.82 and 124,882.56 is: 172,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,846.80 : 313,049.82 = 124,882.56 : x
  2. Step 2: Convert to fraction form
    226,846.80/313,049.82 = 124,882.56/x
  3. Step 3: Cross multiply
    226,846.80x = 313,049.82 × 124,882.56
  4. Step 4: Simplify right side
    226,846.80x = 39,094,462,929.14
  5. Step 5: Solve for x
    x = 39,094,462,929.14/226,846.80
  6. Step 6: Final answer
    x = 172,338.61

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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.