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Finding the Fourth Proportional to 371,141.30, 512,180.95 and 201,375.43

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Solution

The fourth proportional to 371,141.30, 512,180.95 and 201,375.43 is: 277,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,141.30 : 512,180.95 = 201,375.43 : x
  2. Step 2: Convert to fraction form
    371,141.30/512,180.95 = 201,375.43/x
  3. Step 3: Cross multiply
    371,141.30x = 512,180.95 × 201,375.43
  4. Step 4: Simplify right side
    371,141.30x = 103,140,659,044.06
  5. Step 5: Solve for x
    x = 103,140,659,044.06/371,141.30
  6. Step 6: Final answer
    x = 277,901.33

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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.