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Finding the Fourth Proportional to 327,940.94, 490,799.46 and 201,660.53

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Solution

The fourth proportional to 327,940.94, 490,799.46 and 201,660.53 is: 301,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,940.94 : 490,799.46 = 201,660.53 : x
  2. Step 2: Convert to fraction form
    327,940.94/490,799.46 = 201,660.53/x
  3. Step 3: Cross multiply
    327,940.94x = 490,799.46 × 201,660.53
  4. Step 4: Simplify right side
    327,940.94x = 98,974,876,773.32
  5. Step 5: Solve for x
    x = 98,974,876,773.32/327,940.94
  6. Step 6: Final answer
    x = 301,807.01

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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.