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Finding the Fourth Proportional to 355,694.04, 490,873.50 and 204,839.64

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Solution

The fourth proportional to 355,694.04, 490,873.50 and 204,839.64 is: 282,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,694.04 : 490,873.50 = 204,839.64 : x
  2. Step 2: Convert to fraction form
    355,694.04/490,873.50 = 204,839.64/x
  3. Step 3: Cross multiply
    355,694.04x = 490,873.50 × 204,839.64
  4. Step 4: Simplify right side
    355,694.04x = 100,550,351,025.54
  5. Step 5: Solve for x
    x = 100,550,351,025.54/355,694.04
  6. Step 6: Final answer
    x = 282,687.76

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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.