Home / 271,183.28-406,602.12-121,469.36

Finding the Fourth Proportional to 271,183.28, 406,602.12 and 121,469.36

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Solution

The fourth proportional to 271,183.28, 406,602.12 and 121,469.36 is: 182,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,183.28 : 406,602.12 = 121,469.36 : x
  2. Step 2: Convert to fraction form
    271,183.28/406,602.12 = 121,469.36/x
  3. Step 3: Cross multiply
    271,183.28x = 406,602.12 × 121,469.36
  4. Step 4: Simplify right side
    271,183.28x = 49,389,699,291.04
  5. Step 5: Solve for x
    x = 49,389,699,291.04/271,183.28
  6. Step 6: Final answer
    x = 182,126.64

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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.