Home / 285,498.44-394,000.75-158,174.04

Finding the Fourth Proportional to 285,498.44, 394,000.75 and 158,174.04

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Solution

The fourth proportional to 285,498.44, 394,000.75 and 158,174.04 is: 218,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,498.44 : 394,000.75 = 158,174.04 : x
  2. Step 2: Convert to fraction form
    285,498.44/394,000.75 = 158,174.04/x
  3. Step 3: Cross multiply
    285,498.44x = 394,000.75 × 158,174.04
  4. Step 4: Simplify right side
    285,498.44x = 62,320,690,390.53
  5. Step 5: Solve for x
    x = 62,320,690,390.53/285,498.44
  6. Step 6: Final answer
    x = 218,287.32

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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.