Home / 286,027.88-394,718.54-158,704.38

Finding the Fourth Proportional to 286,027.88, 394,718.54 and 158,704.38

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Solution

The fourth proportional to 286,027.88, 394,718.54 and 158,704.38 is: 219,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,027.88 : 394,718.54 = 158,704.38 : x
  2. Step 2: Convert to fraction form
    286,027.88/394,718.54 = 158,704.38/x
  3. Step 3: Cross multiply
    286,027.88x = 394,718.54 × 158,704.38
  4. Step 4: Simplify right side
    286,027.88x = 62,643,560,371.68
  5. Step 5: Solve for x
    x = 62,643,560,371.68/286,027.88
  6. Step 6: Final answer
    x = 219,012.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.