Home / 285,823.60-394,408.14-165,003.80

Finding the Fourth Proportional to 285,823.60, 394,408.14 and 165,003.80

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Solution

The fourth proportional to 285,823.60, 394,408.14 and 165,003.80 is: 227,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,823.60 : 394,408.14 = 165,003.80 : x
  2. Step 2: Convert to fraction form
    285,823.60/394,408.14 = 165,003.80/x
  3. Step 3: Cross multiply
    285,823.60x = 394,408.14 × 165,003.80
  4. Step 4: Simplify right side
    285,823.60x = 65,078,841,850.93
  5. Step 5: Solve for x
    x = 65,078,841,850.93/285,823.60
  6. Step 6: Final answer
    x = 227,688.83

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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.