Home / 271,729.10-408,031.05-205,244.30

Finding the Fourth Proportional to 271,729.10, 408,031.05 and 205,244.30

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Solution

The fourth proportional to 271,729.10, 408,031.05 and 205,244.30 is: 308,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,729.10 : 408,031.05 = 205,244.30 : x
  2. Step 2: Convert to fraction form
    271,729.10/408,031.05 = 205,244.30/x
  3. Step 3: Cross multiply
    271,729.10x = 408,031.05 × 205,244.30
  4. Step 4: Simplify right side
    271,729.10x = 83,746,047,235.52
  5. Step 5: Solve for x
    x = 83,746,047,235.52/271,729.10
  6. Step 6: Final answer
    x = 308,196.83

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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.