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Finding the Fourth Proportional to 327,206.40, 490,809.60 and 248,474.40

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Solution

The fourth proportional to 327,206.40, 490,809.60 and 248,474.40 is: 372,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,206.40 : 490,809.60 = 248,474.40 : x
  2. Step 2: Convert to fraction form
    327,206.40/490,809.60 = 248,474.40/x
  3. Step 3: Cross multiply
    327,206.40x = 490,809.60 × 248,474.40
  4. Step 4: Simplify right side
    327,206.40x = 121,953,620,874.24
  5. Step 5: Solve for x
    x = 121,953,620,874.24/327,206.40
  6. Step 6: Final answer
    x = 372,711.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.