Home / 285,811.11-394,451.85-164,984.82

Finding the Fourth Proportional to 285,811.11, 394,451.85 and 164,984.82

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Solution

The fourth proportional to 285,811.11, 394,451.85 and 164,984.82 is: 227,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,811.11 : 394,451.85 = 164,984.82 : x
  2. Step 2: Convert to fraction form
    285,811.11/394,451.85 = 164,984.82/x
  3. Step 3: Cross multiply
    285,811.11x = 394,451.85 × 164,984.82
  4. Step 4: Simplify right side
    285,811.11x = 65,078,567,470.92
  5. Step 5: Solve for x
    x = 65,078,567,470.92/285,811.11
  6. Step 6: Final answer
    x = 227,697.82

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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.