Home / 285,932.76-394,634.46-158,649.36

Finding the Fourth Proportional to 285,932.76, 394,634.46 and 158,649.36

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Solution

The fourth proportional to 285,932.76, 394,634.46 and 158,649.36 is: 218,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,932.76 : 394,634.46 = 158,649.36 : x
  2. Step 2: Convert to fraction form
    285,932.76/394,634.46 = 158,649.36/x
  3. Step 3: Cross multiply
    285,932.76x = 394,634.46 × 158,649.36
  4. Step 4: Simplify right side
    285,932.76x = 62,608,504,512.95
  5. Step 5: Solve for x
    x = 62,608,504,512.95/285,932.76
  6. Step 6: Final answer
    x = 218,962.33

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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.