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Finding the Fourth Proportional to 327,005, 490,240.38 and 169,278.92

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Solution

The fourth proportional to 327,005, 490,240.38 and 169,278.92 is: 253,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,005 : 490,240.38 = 169,278.92 : x
  2. Step 2: Convert to fraction form
    327,005/490,240.38 = 169,278.92/x
  3. Step 3: Cross multiply
    327,005x = 490,240.38 × 169,278.92
  4. Step 4: Simplify right side
    327,005x = 82,987,362,066.79
  5. Step 5: Solve for x
    x = 82,987,362,066.79/327,005
  6. Step 6: Final answer
    x = 253,780.10

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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.