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Finding the Fourth Proportional to 271,021.97, 373,997.72 and 148,513.62

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Solution

The fourth proportional to 271,021.97, 373,997.72 and 148,513.62 is: 204,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,021.97 : 373,997.72 = 148,513.62 : x
  2. Step 2: Convert to fraction form
    271,021.97/373,997.72 = 148,513.62/x
  3. Step 3: Cross multiply
    271,021.97x = 373,997.72 × 148,513.62
  4. Step 4: Simplify right side
    271,021.97x = 55,543,757,042.72
  5. Step 5: Solve for x
    x = 55,543,757,042.72/271,021.97
  6. Step 6: Final answer
    x = 204,941.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.