Home / 285,974.04-394,644.66-158,649.64

Finding the Fourth Proportional to 285,974.04, 394,644.66 and 158,649.64

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Solution

The fourth proportional to 285,974.04, 394,644.66 and 158,649.64 is: 218,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,974.04 : 394,644.66 = 158,649.64 : x
  2. Step 2: Convert to fraction form
    285,974.04/394,644.66 = 158,649.64/x
  3. Step 3: Cross multiply
    285,974.04x = 394,644.66 × 158,649.64
  4. Step 4: Simplify right side
    285,974.04x = 62,610,233,236.92
  5. Step 5: Solve for x
    x = 62,610,233,236.92/285,974.04
  6. Step 6: Final answer
    x = 218,936.77

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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.