Home / 262,921.55-394,224.35-102,806.73

Finding the Fourth Proportional to 262,921.55, 394,224.35 and 102,806.73

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Solution

The fourth proportional to 262,921.55, 394,224.35 and 102,806.73 is: 154,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,921.55 : 394,224.35 = 102,806.73 : x
  2. Step 2: Convert to fraction form
    262,921.55/394,224.35 = 102,806.73/x
  3. Step 3: Cross multiply
    262,921.55x = 394,224.35 × 102,806.73
  4. Step 4: Simplify right side
    262,921.55x = 40,528,915,795.84
  5. Step 5: Solve for x
    x = 40,528,915,795.84/262,921.55
  6. Step 6: Final answer
    x = 154,148.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.