Home / 263,160.91-394,766.38-73,621.27

Finding the Fourth Proportional to 263,160.91, 394,766.38 and 73,621.27

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Solution

The fourth proportional to 263,160.91, 394,766.38 and 73,621.27 is: 110,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,160.91 : 394,766.38 = 73,621.27 : x
  2. Step 2: Convert to fraction form
    263,160.91/394,766.38 = 73,621.27/x
  3. Step 3: Cross multiply
    263,160.91x = 394,766.38 × 73,621.27
  4. Step 4: Simplify right side
    263,160.91x = 29,063,200,275.07
  5. Step 5: Solve for x
    x = 29,063,200,275.07/263,160.91
  6. Step 6: Final answer
    x = 110,438.90

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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.