Home / 263,546.32-394,905.53-203,721.39

Finding the Fourth Proportional to 263,546.32, 394,905.53 and 203,721.39

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Solution

The fourth proportional to 263,546.32, 394,905.53 and 203,721.39 is: 305,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,546.32 : 394,905.53 = 203,721.39 : x
  2. Step 2: Convert to fraction form
    263,546.32/394,905.53 = 203,721.39/x
  3. Step 3: Cross multiply
    263,546.32x = 394,905.53 × 203,721.39
  4. Step 4: Simplify right side
    263,546.32x = 80,450,703,490.29
  5. Step 5: Solve for x
    x = 80,450,703,490.29/263,546.32
  6. Step 6: Final answer
    x = 305,262.10

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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.