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Finding the Fourth Proportional to 327,879.94, 491,188.92 and 201,150.12

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Solution

The fourth proportional to 327,879.94, 491,188.92 and 201,150.12 is: 301,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,879.94 : 491,188.92 = 201,150.12 : x
  2. Step 2: Convert to fraction form
    327,879.94/491,188.92 = 201,150.12/x
  3. Step 3: Cross multiply
    327,879.94x = 491,188.92 × 201,150.12
  4. Step 4: Simplify right side
    327,879.94x = 98,802,712,011.92
  5. Step 5: Solve for x
    x = 98,802,712,011.92/327,879.94
  6. Step 6: Final answer
    x = 301,338.08

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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.