Home / 285,936.24-394,589.08-158,608.56

Finding the Fourth Proportional to 285,936.24, 394,589.08 and 158,608.56

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Solution

The fourth proportional to 285,936.24, 394,589.08 and 158,608.56 is: 218,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,936.24 : 394,589.08 = 158,608.56 : x
  2. Step 2: Convert to fraction form
    285,936.24/394,589.08 = 158,608.56/x
  3. Step 3: Cross multiply
    285,936.24x = 394,589.08 × 158,608.56
  4. Step 4: Simplify right side
    285,936.24x = 62,585,205,770.52
  5. Step 5: Solve for x
    x = 62,585,205,770.52/285,936.24
  6. Step 6: Final answer
    x = 218,878.19

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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.