Home / 285,554.20-394,067.52-158,232.52

Finding the Fourth Proportional to 285,554.20, 394,067.52 and 158,232.52

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Solution

The fourth proportional to 285,554.20, 394,067.52 and 158,232.52 is: 218,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,554.20 : 394,067.52 = 158,232.52 : x
  2. Step 2: Convert to fraction form
    285,554.20/394,067.52 = 158,232.52/x
  3. Step 3: Cross multiply
    285,554.20x = 394,067.52 × 158,232.52
  4. Step 4: Simplify right side
    285,554.20x = 62,354,296,739.75
  5. Step 5: Solve for x
    x = 62,354,296,739.75/285,554.20
  6. Step 6: Final answer
    x = 218,362.39

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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.