Home / 285,992.46-394,727.04-165,153.42

Finding the Fourth Proportional to 285,992.46, 394,727.04 and 165,153.42

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Solution

The fourth proportional to 285,992.46, 394,727.04 and 165,153.42 is: 227,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,992.46 : 394,727.04 = 165,153.42 : x
  2. Step 2: Convert to fraction form
    285,992.46/394,727.04 = 165,153.42/x
  3. Step 3: Cross multiply
    285,992.46x = 394,727.04 × 165,153.42
  4. Step 4: Simplify right side
    285,992.46x = 65,190,520,622.48
  5. Step 5: Solve for x
    x = 65,190,520,622.48/285,992.46
  6. Step 6: Final answer
    x = 227,944.89

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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.