Home / 271,528.56-406,877.04-138,209.04

Finding the Fourth Proportional to 271,528.56, 406,877.04 and 138,209.04

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Solution

The fourth proportional to 271,528.56, 406,877.04 and 138,209.04 is: 207,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,528.56 : 406,877.04 = 138,209.04 : x
  2. Step 2: Convert to fraction form
    271,528.56/406,877.04 = 138,209.04/x
  3. Step 3: Cross multiply
    271,528.56x = 406,877.04 × 138,209.04
  4. Step 4: Simplify right side
    271,528.56x = 56,234,085,096.44
  5. Step 5: Solve for x
    x = 56,234,085,096.44/271,528.56
  6. Step 6: Final answer
    x = 207,101.92

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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.