Home / 263,287.77-394,689.36-143,169.24

Finding the Fourth Proportional to 263,287.77, 394,689.36 and 143,169.24

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Solution

The fourth proportional to 263,287.77, 394,689.36 and 143,169.24 is: 214,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,287.77 : 394,689.36 = 143,169.24 : x
  2. Step 2: Convert to fraction form
    263,287.77/394,689.36 = 143,169.24/x
  3. Step 3: Cross multiply
    263,287.77x = 394,689.36 × 143,169.24
  4. Step 4: Simplify right side
    263,287.77x = 56,507,375,707.29
  5. Step 5: Solve for x
    x = 56,507,375,707.29/263,287.77
  6. Step 6: Final answer
    x = 214,622.11

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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.