Home / 271,261.10-406,776.45-131,062.70

Finding the Fourth Proportional to 271,261.10, 406,776.45 and 131,062.70

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Solution

The fourth proportional to 271,261.10, 406,776.45 and 131,062.70 is: 196,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,261.10 : 406,776.45 = 131,062.70 : x
  2. Step 2: Convert to fraction form
    271,261.10/406,776.45 = 131,062.70/x
  3. Step 3: Cross multiply
    271,261.10x = 406,776.45 × 131,062.70
  4. Step 4: Simplify right side
    271,261.10x = 53,313,219,833.42
  5. Step 5: Solve for x
    x = 53,313,219,833.42/271,261.10
  6. Step 6: Final answer
    x = 196,538.39

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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.