Home / 271,186.20-406,844.10-130,829.40

Finding the Fourth Proportional to 271,186.20, 406,844.10 and 130,829.40

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Solution

The fourth proportional to 271,186.20, 406,844.10 and 130,829.40 is: 196,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,186.20 : 406,844.10 = 130,829.40 : x
  2. Step 2: Convert to fraction form
    271,186.20/406,844.10 = 130,829.40/x
  3. Step 3: Cross multiply
    271,186.20x = 406,844.10 × 130,829.40
  4. Step 4: Simplify right side
    271,186.20x = 53,227,169,496.54
  5. Step 5: Solve for x
    x = 53,227,169,496.54/271,186.20
  6. Step 6: Final answer
    x = 196,275.36

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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.