Home / 271,286.12-406,845.98-187,584.12

Finding the Fourth Proportional to 271,286.12, 406,845.98 and 187,584.12

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Solution

The fourth proportional to 271,286.12, 406,845.98 and 187,584.12 is: 281,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,286.12 : 406,845.98 = 187,584.12 : x
  2. Step 2: Convert to fraction form
    271,286.12/406,845.98 = 187,584.12/x
  3. Step 3: Cross multiply
    271,286.12x = 406,845.98 × 187,584.12
  4. Step 4: Simplify right side
    271,286.12x = 76,317,845,133.84
  5. Step 5: Solve for x
    x = 76,317,845,133.84/271,286.12
  6. Step 6: Final answer
    x = 281,318.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.