Home / 271,732.10-408,035.55-205,247.30

Finding the Fourth Proportional to 271,732.10, 408,035.55 and 205,247.30

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Solution

The fourth proportional to 271,732.10, 408,035.55 and 205,247.30 is: 308,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,732.10 : 408,035.55 = 205,247.30 : x
  2. Step 2: Convert to fraction form
    271,732.10/408,035.55 = 205,247.30/x
  3. Step 3: Cross multiply
    271,732.10x = 408,035.55 × 205,247.30
  4. Step 4: Simplify right side
    271,732.10x = 83,748,194,941.52
  5. Step 5: Solve for x
    x = 83,748,194,941.52/271,732.10
  6. Step 6: Final answer
    x = 308,201.33

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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.