Home / 286,198.50-394,934.14-158,864.07

Finding the Fourth Proportional to 286,198.50, 394,934.14 and 158,864.07

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Solution

The fourth proportional to 286,198.50, 394,934.14 and 158,864.07 is: 219,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,198.50 : 394,934.14 = 158,864.07 : x
  2. Step 2: Convert to fraction form
    286,198.50/394,934.14 = 158,864.07/x
  3. Step 3: Cross multiply
    286,198.50x = 394,934.14 × 158,864.07
  4. Step 4: Simplify right side
    286,198.50x = 62,740,842,490.52
  5. Step 5: Solve for x
    x = 62,740,842,490.52/286,198.50
  6. Step 6: Final answer
    x = 219,221.43

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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.