Home / 269,046.39-371,286.53-148,188.12

Finding the Fourth Proportional to 269,046.39, 371,286.53 and 148,188.12

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Solution

The fourth proportional to 269,046.39, 371,286.53 and 148,188.12 is: 204,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,046.39 : 371,286.53 = 148,188.12 : x
  2. Step 2: Convert to fraction form
    269,046.39/371,286.53 = 148,188.12/x
  3. Step 3: Cross multiply
    269,046.39x = 371,286.53 × 148,188.12
  4. Step 4: Simplify right side
    269,046.39x = 55,020,252,118.02
  5. Step 5: Solve for x
    x = 55,020,252,118.02/269,046.39
  6. Step 6: Final answer
    x = 204,500.98

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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.