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Finding the Fourth Proportional to 207,939.70, 311,906.66 and 50,166.82

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Solution

The fourth proportional to 207,939.70, 311,906.66 and 50,166.82 is: 75,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,939.70 : 311,906.66 = 50,166.82 : x
  2. Step 2: Convert to fraction form
    207,939.70/311,906.66 = 50,166.82/x
  3. Step 3: Cross multiply
    207,939.70x = 311,906.66 × 50,166.82
  4. Step 4: Simplify right side
    207,939.70x = 15,647,365,269.02
  5. Step 5: Solve for x
    x = 15,647,365,269.02/207,939.70
  6. Step 6: Final answer
    x = 75,249.53

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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.