Home / 271,531.32-406,934.24-143,185.86

Finding the Fourth Proportional to 271,531.32, 406,934.24 and 143,185.86

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Solution

The fourth proportional to 271,531.32, 406,934.24 and 143,185.86 is: 214,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,531.32 : 406,934.24 = 143,185.86 : x
  2. Step 2: Convert to fraction form
    271,531.32/406,934.24 = 143,185.86/x
  3. Step 3: Cross multiply
    271,531.32x = 406,934.24 × 143,185.86
  4. Step 4: Simplify right side
    271,531.32x = 58,267,228,401.92
  5. Step 5: Solve for x
    x = 58,267,228,401.92/271,531.32
  6. Step 6: Final answer
    x = 214,587.50

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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.