Home / 281,845.80-422,768.70-263,183.40

Finding the Fourth Proportional to 281,845.80, 422,768.70 and 263,183.40

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Solution

The fourth proportional to 281,845.80, 422,768.70 and 263,183.40 is: 394,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,845.80 : 422,768.70 = 263,183.40 : x
  2. Step 2: Convert to fraction form
    281,845.80/422,768.70 = 263,183.40/x
  3. Step 3: Cross multiply
    281,845.80x = 422,768.70 × 263,183.40
  4. Step 4: Simplify right side
    281,845.80x = 111,265,703,879.58
  5. Step 5: Solve for x
    x = 111,265,703,879.58/281,845.80
  6. Step 6: Final answer
    x = 394,775.10

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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.