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Finding the Fourth Proportional to 271,908.70, 407,863.05 and 269,940.40

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Solution

The fourth proportional to 271,908.70, 407,863.05 and 269,940.40 is: 404,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,908.70 : 407,863.05 = 269,940.40 : x
  2. Step 2: Convert to fraction form
    271,908.70/407,863.05 = 269,940.40/x
  3. Step 3: Cross multiply
    271,908.70x = 407,863.05 × 269,940.40
  4. Step 4: Simplify right side
    271,908.70x = 110,098,714,862.22
  5. Step 5: Solve for x
    x = 110,098,714,862.22/271,908.70
  6. Step 6: Final answer
    x = 404,910.60

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1.5x scale

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.