Home / 207,890.20-311,832.56-50,117.38

Finding the Fourth Proportional to 207,890.20, 311,832.56 and 50,117.38

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Solution

The fourth proportional to 207,890.20, 311,832.56 and 50,117.38 is: 75,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,890.20 : 311,832.56 = 50,117.38 : x
  2. Step 2: Convert to fraction form
    207,890.20/311,832.56 = 50,117.38/x
  3. Step 3: Cross multiply
    207,890.20x = 311,832.56 × 50,117.38
  4. Step 4: Simplify right side
    207,890.20x = 15,628,231,560.18
  5. Step 5: Solve for x
    x = 15,628,231,560.18/207,890.20
  6. Step 6: Final answer
    x = 75,175.41

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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.