Home / 263,359.28-394,951.20-113,506

Finding the Fourth Proportional to 263,359.28, 394,951.20 and 113,506

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Solution

The fourth proportional to 263,359.28, 394,951.20 and 113,506 is: 170,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,359.28 : 394,951.20 = 113,506 : x
  2. Step 2: Convert to fraction form
    263,359.28/394,951.20 = 113,506/x
  3. Step 3: Cross multiply
    263,359.28x = 394,951.20 × 113,506
  4. Step 4: Simplify right side
    263,359.28x = 44,829,330,907.20
  5. Step 5: Solve for x
    x = 44,829,330,907.20/263,359.28
  6. Step 6: Final answer
    x = 170,221.19

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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.