Home / 207,936.20-311,901.42-50,163.32

Finding the Fourth Proportional to 207,936.20, 311,901.42 and 50,163.32

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Solution

The fourth proportional to 207,936.20, 311,901.42 and 50,163.32 is: 75,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,936.20 : 311,901.42 = 50,163.32 : x
  2. Step 2: Convert to fraction form
    207,936.20/311,901.42 = 50,163.32/x
  3. Step 3: Cross multiply
    207,936.20x = 311,901.42 × 50,163.32
  4. Step 4: Simplify right side
    207,936.20x = 15,646,010,739.91
  5. Step 5: Solve for x
    x = 15,646,010,739.91/207,936.20
  6. Step 6: Final answer
    x = 75,244.29

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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.