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Finding the Fourth Proportional to 275,274.39, 379,659.51 and 227,444.70

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Solution

The fourth proportional to 275,274.39, 379,659.51 and 227,444.70 is: 313,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,274.39 : 379,659.51 = 227,444.70 : x
  2. Step 2: Convert to fraction form
    275,274.39/379,659.51 = 227,444.70/x
  3. Step 3: Cross multiply
    275,274.39x = 379,659.51 × 227,444.70
  4. Step 4: Simplify right side
    275,274.39x = 86,351,543,354.10
  5. Step 5: Solve for x
    x = 86,351,543,354.10/275,274.39
  6. Step 6: Final answer
    x = 313,692.62

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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.