Home / 263,453.85-395,180.19-203,569.40

Finding the Fourth Proportional to 263,453.85, 395,180.19 and 203,569.40

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Solution

The fourth proportional to 263,453.85, 395,180.19 and 203,569.40 is: 305,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,453.85 : 395,180.19 = 203,569.40 : x
  2. Step 2: Convert to fraction form
    263,453.85/395,180.19 = 203,569.40/x
  3. Step 3: Cross multiply
    263,453.85x = 395,180.19 × 203,569.40
  4. Step 4: Simplify right side
    263,453.85x = 80,446,595,158.14
  5. Step 5: Solve for x
    x = 80,446,595,158.14/263,453.85
  6. Step 6: Final answer
    x = 305,353.65

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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.