Home / 285,986.54-394,679.32-165,149.94

Finding the Fourth Proportional to 285,986.54, 394,679.32 and 165,149.94

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Solution

The fourth proportional to 285,986.54, 394,679.32 and 165,149.94 is: 227,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,986.54 : 394,679.32 = 165,149.94 : x
  2. Step 2: Convert to fraction form
    285,986.54/394,679.32 = 165,149.94/x
  3. Step 3: Cross multiply
    285,986.54x = 394,679.32 × 165,149.94
  4. Step 4: Simplify right side
    285,986.54x = 65,181,266,017.24
  5. Step 5: Solve for x
    x = 65,181,266,017.24/285,986.54
  6. Step 6: Final answer
    x = 227,917.25

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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.