Home / 271,730.10-408,032.55-205,245.30

Finding the Fourth Proportional to 271,730.10, 408,032.55 and 205,245.30

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Solution

The fourth proportional to 271,730.10, 408,032.55 and 205,245.30 is: 308,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,730.10 : 408,032.55 = 205,245.30 : x
  2. Step 2: Convert to fraction form
    271,730.10/408,032.55 = 205,245.30/x
  3. Step 3: Cross multiply
    271,730.10x = 408,032.55 × 205,245.30
  4. Step 4: Simplify right side
    271,730.10x = 83,746,763,134.52
  5. Step 5: Solve for x
    x = 83,746,763,134.52/271,730.10
  6. Step 6: Final answer
    x = 308,198.33

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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.