Home / 271,244.85-406,478.48-199,608.45

Finding the Fourth Proportional to 271,244.85, 406,478.48 and 199,608.45

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Solution

The fourth proportional to 271,244.85, 406,478.48 and 199,608.45 is: 299,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,244.85 : 406,478.48 = 199,608.45 : x
  2. Step 2: Convert to fraction form
    271,244.85/406,478.48 = 199,608.45/x
  3. Step 3: Cross multiply
    271,244.85x = 406,478.48 × 199,608.45
  4. Step 4: Simplify right side
    271,244.85x = 81,136,538,353.11
  5. Step 5: Solve for x
    x = 81,136,538,353.11/271,244.85
  6. Step 6: Final answer
    x = 299,126.56

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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.