Home / 263,561.72-394,928.60-203,736.84

Finding the Fourth Proportional to 263,561.72, 394,928.60 and 203,736.84

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Solution

The fourth proportional to 263,561.72, 394,928.60 and 203,736.84 is: 305,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,561.72 : 394,928.60 = 203,736.84 : x
  2. Step 2: Convert to fraction form
    263,561.72/394,928.60 = 203,736.84/x
  3. Step 3: Cross multiply
    263,561.72x = 394,928.60 × 203,736.84
  4. Step 4: Simplify right side
    263,561.72x = 80,461,504,989.62
  5. Step 5: Solve for x
    x = 80,461,504,989.62/263,561.72
  6. Step 6: Final answer
    x = 305,285.25

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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.