Home / 286,150.08-394,815.96-158,793.78

Finding the Fourth Proportional to 286,150.08, 394,815.96 and 158,793.78

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Solution

The fourth proportional to 286,150.08, 394,815.96 and 158,793.78 is: 219,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,150.08 : 394,815.96 = 158,793.78 : x
  2. Step 2: Convert to fraction form
    286,150.08/394,815.96 = 158,793.78/x
  3. Step 3: Cross multiply
    286,150.08x = 394,815.96 × 158,793.78
  4. Step 4: Simplify right side
    286,150.08x = 62,694,318,692.73
  5. Step 5: Solve for x
    x = 62,694,318,692.73/286,150.08
  6. Step 6: Final answer
    x = 219,095.93

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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.