Home / 286,010.10-394,596.18-163,414.52

Finding the Fourth Proportional to 286,010.10, 394,596.18 and 163,414.52

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Solution

The fourth proportional to 286,010.10, 394,596.18 and 163,414.52 is: 225,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,010.10 : 394,596.18 = 163,414.52 : x
  2. Step 2: Convert to fraction form
    286,010.10/394,596.18 = 163,414.52/x
  3. Step 3: Cross multiply
    286,010.10x = 394,596.18 × 163,414.52
  4. Step 4: Simplify right side
    286,010.10x = 64,482,743,375.55
  5. Step 5: Solve for x
    x = 64,482,743,375.55/286,010.10
  6. Step 6: Final answer
    x = 225,456.18

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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.