Home / 207,917.82-311,876.46-50,146.29

Finding the Fourth Proportional to 207,917.82, 311,876.46 and 50,146.29

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Solution

The fourth proportional to 207,917.82, 311,876.46 and 50,146.29 is: 75,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,917.82 : 311,876.46 = 50,146.29 : x
  2. Step 2: Convert to fraction form
    207,917.82/311,876.46 = 50,146.29/x
  3. Step 3: Cross multiply
    207,917.82x = 311,876.46 × 50,146.29
  4. Step 4: Simplify right side
    207,917.82x = 15,639,447,407.33
  5. Step 5: Solve for x
    x = 15,639,447,407.33/207,917.82
  6. Step 6: Final answer
    x = 75,219.37

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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.