Home / 262,629.48-394,067.24-129,437.13

Finding the Fourth Proportional to 262,629.48, 394,067.24 and 129,437.13

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Solution

The fourth proportional to 262,629.48, 394,067.24 and 129,437.13 is: 194,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,629.48 : 394,067.24 = 129,437.13 : x
  2. Step 2: Convert to fraction form
    262,629.48/394,067.24 = 129,437.13/x
  3. Step 3: Cross multiply
    262,629.48x = 394,067.24 × 129,437.13
  4. Step 4: Simplify right side
    262,629.48x = 51,006,932,896.21
  5. Step 5: Solve for x
    x = 51,006,932,896.21/262,629.48
  6. Step 6: Final answer
    x = 194,216.33

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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.