Home / 271,003.02-406,357.92-215,202.12

Finding the Fourth Proportional to 271,003.02, 406,357.92 and 215,202.12

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Solution

The fourth proportional to 271,003.02, 406,357.92 and 215,202.12 is: 322,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,003.02 : 406,357.92 = 215,202.12 : x
  2. Step 2: Convert to fraction form
    271,003.02/406,357.92 = 215,202.12/x
  3. Step 3: Cross multiply
    271,003.02x = 406,357.92 × 215,202.12
  4. Step 4: Simplify right side
    271,003.02x = 87,449,085,862.79
  5. Step 5: Solve for x
    x = 87,449,085,862.79/271,003.02
  6. Step 6: Final answer
    x = 322,686.76

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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.