Home / 345,049.14-517,493.24-131,738.73

Finding the Fourth Proportional to 345,049.14, 517,493.24 and 131,738.73

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Solution

The fourth proportional to 345,049.14, 517,493.24 and 131,738.73 is: 197,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,049.14 : 517,493.24 = 131,738.73 : x
  2. Step 2: Convert to fraction form
    345,049.14/517,493.24 = 131,738.73/x
  3. Step 3: Cross multiply
    345,049.14x = 517,493.24 × 131,738.73
  4. Step 4: Simplify right side
    345,049.14x = 68,173,901,293.47
  5. Step 5: Solve for x
    x = 68,173,901,293.47/345,049.14
  6. Step 6: Final answer
    x = 197,577.37

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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.