Home / 207,541.44-311,438.16-82,872

Finding the Fourth Proportional to 207,541.44, 311,438.16 and 82,872

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Solution

The fourth proportional to 207,541.44, 311,438.16 and 82,872 is: 124,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,541.44 : 311,438.16 = 82,872 : x
  2. Step 2: Convert to fraction form
    207,541.44/311,438.16 = 82,872/x
  3. Step 3: Cross multiply
    207,541.44x = 311,438.16 × 82,872
  4. Step 4: Simplify right side
    207,541.44x = 25,809,503,195.52
  5. Step 5: Solve for x
    x = 25,809,503,195.52/207,541.44
  6. Step 6: Final answer
    x = 124,358.31

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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.