Home / 285,813.11-394,454.61-164,986.82

Finding the Fourth Proportional to 285,813.11, 394,454.61 and 164,986.82

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Solution

The fourth proportional to 285,813.11, 394,454.61 and 164,986.82 is: 227,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,813.11 : 394,454.61 = 164,986.82 : x
  2. Step 2: Convert to fraction form
    285,813.11/394,454.61 = 164,986.82/x
  3. Step 3: Cross multiply
    285,813.11x = 394,454.61 × 164,986.82
  4. Step 4: Simplify right side
    285,813.11x = 65,079,811,738.24
  5. Step 5: Solve for x
    x = 65,079,811,738.24/285,813.11
  6. Step 6: Final answer
    x = 227,700.58

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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.