Home / 286,147.35-394,918.34-158,863.95

Finding the Fourth Proportional to 286,147.35, 394,918.34 and 158,863.95

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Solution

The fourth proportional to 286,147.35, 394,918.34 and 158,863.95 is: 219,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,147.35 : 394,918.34 = 158,863.95 : x
  2. Step 2: Convert to fraction form
    286,147.35/394,918.34 = 158,863.95/x
  3. Step 3: Cross multiply
    286,147.35x = 394,918.34 × 158,863.95
  4. Step 4: Simplify right side
    286,147.35x = 62,738,286,625.52
  5. Step 5: Solve for x
    x = 62,738,286,625.52/286,147.35
  6. Step 6: Final answer
    x = 219,251.68

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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.