Home / 285,939.56-394,591.02-158,614.04

Finding the Fourth Proportional to 285,939.56, 394,591.02 and 158,614.04

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Solution

The fourth proportional to 285,939.56, 394,591.02 and 158,614.04 is: 218,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,939.56 : 394,591.02 = 158,614.04 : x
  2. Step 2: Convert to fraction form
    285,939.56/394,591.02 = 158,614.04/x
  3. Step 3: Cross multiply
    285,939.56x = 394,591.02 × 158,614.04
  4. Step 4: Simplify right side
    285,939.56x = 62,587,675,829.92
  5. Step 5: Solve for x
    x = 62,587,675,829.92/285,939.56
  6. Step 6: Final answer
    x = 218,884.28

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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.