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Finding the Fourth Proportional to 271,805.80, 407,708.70 and 252,122.80

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Solution

The fourth proportional to 271,805.80, 407,708.70 and 252,122.80 is: 378,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,805.80 : 407,708.70 = 252,122.80 : x
  2. Step 2: Convert to fraction form
    271,805.80/407,708.70 = 252,122.80/x
  3. Step 3: Cross multiply
    271,805.80x = 407,708.70 × 252,122.80
  4. Step 4: Simplify right side
    271,805.80x = 102,792,659,028.36
  5. Step 5: Solve for x
    x = 102,792,659,028.36/271,805.80
  6. Step 6: Final answer
    x = 378,184.20

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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.