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Finding the Fourth Proportional to 271,730.60, 408,033.30 and 205,245.80

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Solution

The fourth proportional to 271,730.60, 408,033.30 and 205,245.80 is: 308,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,730.60 : 408,033.30 = 205,245.80 : x
  2. Step 2: Convert to fraction form
    271,730.60/408,033.30 = 205,245.80/x
  3. Step 3: Cross multiply
    271,730.60x = 408,033.30 × 205,245.80
  4. Step 4: Simplify right side
    271,730.60x = 83,747,121,085.14
  5. Step 5: Solve for x
    x = 83,747,121,085.14/271,730.60
  6. Step 6: Final answer
    x = 308,199.08

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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.