Home / 263,315.70-394,305.30-144,853.20

Finding the Fourth Proportional to 263,315.70, 394,305.30 and 144,853.20

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Solution

The fourth proportional to 263,315.70, 394,305.30 and 144,853.20 is: 216,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,315.70 : 394,305.30 = 144,853.20 : x
  2. Step 2: Convert to fraction form
    263,315.70/394,305.30 = 144,853.20/x
  3. Step 3: Cross multiply
    263,315.70x = 394,305.30 × 144,853.20
  4. Step 4: Simplify right side
    263,315.70x = 57,116,384,481.96
  5. Step 5: Solve for x
    x = 57,116,384,481.96/263,315.70
  6. Step 6: Final answer
    x = 216,912.19

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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.