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Finding the Fourth Proportional to 192,583.56, 288,718.83 and 80,347.41

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Solution

The fourth proportional to 192,583.56, 288,718.83 and 80,347.41 is: 120,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,583.56 : 288,718.83 = 80,347.41 : x
  2. Step 2: Convert to fraction form
    192,583.56/288,718.83 = 80,347.41/x
  3. Step 3: Cross multiply
    192,583.56x = 288,718.83 × 80,347.41
  4. Step 4: Simplify right side
    192,583.56x = 23,197,810,208.73
  5. Step 5: Solve for x
    x = 23,197,810,208.73/192,583.56
  6. Step 6: Final answer
    x = 120,455.82

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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.