Home / 288,932.20-398,704.78-161,583.19

Finding the Fourth Proportional to 288,932.20, 398,704.78 and 161,583.19

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Solution

The fourth proportional to 288,932.20, 398,704.78 and 161,583.19 is: 222,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,932.20 : 398,704.78 = 161,583.19 : x
  2. Step 2: Convert to fraction form
    288,932.20/398,704.78 = 161,583.19/x
  3. Step 3: Cross multiply
    288,932.20x = 398,704.78 × 161,583.19
  4. Step 4: Simplify right side
    288,932.20x = 64,423,989,425.87
  5. Step 5: Solve for x
    x = 64,423,989,425.87/288,932.20
  6. Step 6: Final answer
    x = 222,972.69

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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.