Home / 285,768.46-394,280.67-225,150.94

Finding the Fourth Proportional to 285,768.46, 394,280.67 and 225,150.94

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Solution

The fourth proportional to 285,768.46, 394,280.67 and 225,150.94 is: 310,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,768.46 : 394,280.67 = 225,150.94 : x
  2. Step 2: Convert to fraction form
    285,768.46/394,280.67 = 225,150.94/x
  3. Step 3: Cross multiply
    285,768.46x = 394,280.67 × 225,150.94
  4. Step 4: Simplify right side
    285,768.46x = 88,772,663,474.33
  5. Step 5: Solve for x
    x = 88,772,663,474.33/285,768.46
  6. Step 6: Final answer
    x = 310,645.42

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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.