Home / 285,541.38-394,047.05-170,824.88

Finding the Fourth Proportional to 285,541.38, 394,047.05 and 170,824.88

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Solution

The fourth proportional to 285,541.38, 394,047.05 and 170,824.88 is: 235,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,541.38 : 394,047.05 = 170,824.88 : x
  2. Step 2: Convert to fraction form
    285,541.38/394,047.05 = 170,824.88/x
  3. Step 3: Cross multiply
    285,541.38x = 394,047.05 × 170,824.88
  4. Step 4: Simplify right side
    285,541.38x = 67,313,040,161.60
  5. Step 5: Solve for x
    x = 67,313,040,161.60/285,541.38
  6. Step 6: Final answer
    x = 235,738.30

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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.