Home / 271,395.36-406,548.72-138,270.24

Finding the Fourth Proportional to 271,395.36, 406,548.72 and 138,270.24

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Solution

The fourth proportional to 271,395.36, 406,548.72 and 138,270.24 is: 207,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,395.36 : 406,548.72 = 138,270.24 : x
  2. Step 2: Convert to fraction form
    271,395.36/406,548.72 = 138,270.24/x
  3. Step 3: Cross multiply
    271,395.36x = 406,548.72 × 138,270.24
  4. Step 4: Simplify right side
    271,395.36x = 56,213,589,086.09
  5. Step 5: Solve for x
    x = 56,213,589,086.09/271,395.36
  6. Step 6: Final answer
    x = 207,128.04

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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.