Home / 263,481.23-394,938.79-113,792.01

Finding the Fourth Proportional to 263,481.23, 394,938.79 and 113,792.01

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Solution

The fourth proportional to 263,481.23, 394,938.79 and 113,792.01 is: 170,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,481.23 : 394,938.79 = 113,792.01 : x
  2. Step 2: Convert to fraction form
    263,481.23/394,938.79 = 113,792.01/x
  3. Step 3: Cross multiply
    263,481.23x = 394,938.79 × 113,792.01
  4. Step 4: Simplify right side
    263,481.23x = 44,940,880,307.86
  5. Step 5: Solve for x
    x = 44,940,880,307.86/263,481.23
  6. Step 6: Final answer
    x = 170,565.78

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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.