Home / 263,513.25-395,280.81-76,524.75

Finding the Fourth Proportional to 263,513.25, 395,280.81 and 76,524.75

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Solution

The fourth proportional to 263,513.25, 395,280.81 and 76,524.75 is: 114,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,513.25 : 395,280.81 = 76,524.75 : x
  2. Step 2: Convert to fraction form
    263,513.25/395,280.81 = 76,524.75/x
  3. Step 3: Cross multiply
    263,513.25x = 395,280.81 × 76,524.75
  4. Step 4: Simplify right side
    263,513.25x = 30,248,765,165.05
  5. Step 5: Solve for x
    x = 30,248,765,165.05/263,513.25
  6. Step 6: Final answer
    x = 114,790.30

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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.