Home / 271,720.38-407,580.30-178,204.26

Finding the Fourth Proportional to 271,720.38, 407,580.30 and 178,204.26

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Solution

The fourth proportional to 271,720.38, 407,580.30 and 178,204.26 is: 267,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,720.38 : 407,580.30 = 178,204.26 : x
  2. Step 2: Convert to fraction form
    271,720.38/407,580.30 = 178,204.26/x
  3. Step 3: Cross multiply
    271,720.38x = 407,580.30 × 178,204.26
  4. Step 4: Simplify right side
    271,720.38x = 72,632,545,752.08
  5. Step 5: Solve for x
    x = 72,632,545,752.08/271,720.38
  6. Step 6: Final answer
    x = 267,306.21

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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.