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Finding the Fourth Proportional to 263,485.27, 363,819.27 and 243,334.78

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Solution

The fourth proportional to 263,485.27, 363,819.27 and 243,334.78 is: 335,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,485.27 : 363,819.27 = 243,334.78 : x
  2. Step 2: Convert to fraction form
    263,485.27/363,819.27 = 243,334.78/x
  3. Step 3: Cross multiply
    263,485.27x = 363,819.27 × 243,334.78
  4. Step 4: Simplify right side
    263,485.27x = 88,529,882,025.21
  5. Step 5: Solve for x
    x = 88,529,882,025.21/263,485.27
  6. Step 6: Final answer
    x = 335,995.56

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1.5x scale

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.