Home / 285,940.89-394,604.24-171,224.55

Finding the Fourth Proportional to 285,940.89, 394,604.24 and 171,224.55

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Solution

The fourth proportional to 285,940.89, 394,604.24 and 171,224.55 is: 236,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,940.89 : 394,604.24 = 171,224.55 : x
  2. Step 2: Convert to fraction form
    285,940.89/394,604.24 = 171,224.55/x
  3. Step 3: Cross multiply
    285,940.89x = 394,604.24 × 171,224.55
  4. Step 4: Simplify right side
    285,940.89x = 67,565,932,565.97
  5. Step 5: Solve for x
    x = 67,565,932,565.97/285,940.89
  6. Step 6: Final answer
    x = 236,293.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.