Home / 207,921.82-311,882.46-50,150.30

Finding the Fourth Proportional to 207,921.82, 311,882.46 and 50,150.30

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Solution

The fourth proportional to 207,921.82, 311,882.46 and 50,150.30 is: 75,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,921.82 : 311,882.46 = 50,150.30 : x
  2. Step 2: Convert to fraction form
    207,921.82/311,882.46 = 50,150.30/x
  3. Step 3: Cross multiply
    207,921.82x = 311,882.46 × 50,150.30
  4. Step 4: Simplify right side
    207,921.82x = 15,640,998,933.74
  5. Step 5: Solve for x
    x = 15,640,998,933.74/207,921.82
  6. Step 6: Final answer
    x = 75,225.38

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1.5x scale

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.