Home / 271,238.22-406,857.27-91,308.54

Finding the Fourth Proportional to 271,238.22, 406,857.27 and 91,308.54

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Solution

The fourth proportional to 271,238.22, 406,857.27 and 91,308.54 is: 136,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,238.22 : 406,857.27 = 91,308.54 : x
  2. Step 2: Convert to fraction form
    271,238.22/406,857.27 = 91,308.54/x
  3. Step 3: Cross multiply
    271,238.22x = 406,857.27 × 91,308.54
  4. Step 4: Simplify right side
    271,238.22x = 37,149,543,312.09
  5. Step 5: Solve for x
    x = 37,149,543,312.09/271,238.22
  6. Step 6: Final answer
    x = 136,962.79

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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.