Home / 263,302.08-394,972.56-76,328.16

Finding the Fourth Proportional to 263,302.08, 394,972.56 and 76,328.16

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Solution

The fourth proportional to 263,302.08, 394,972.56 and 76,328.16 is: 114,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,302.08 : 394,972.56 = 76,328.16 : x
  2. Step 2: Convert to fraction form
    263,302.08/394,972.56 = 76,328.16/x
  3. Step 3: Cross multiply
    263,302.08x = 394,972.56 × 76,328.16
  4. Step 4: Simplify right side
    263,302.08x = 30,147,528,755.29
  5. Step 5: Solve for x
    x = 30,147,528,755.29/263,302.08
  6. Step 6: Final answer
    x = 114,497.88

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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.