Home / 446,286.38-669,428.20-161,976.54

Finding the Fourth Proportional to 446,286.38, 669,428.20 and 161,976.54

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Solution

The fourth proportional to 446,286.38, 669,428.20 and 161,976.54 is: 242,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,286.38 : 669,428.20 = 161,976.54 : x
  2. Step 2: Convert to fraction form
    446,286.38/669,428.20 = 161,976.54/x
  3. Step 3: Cross multiply
    446,286.38x = 669,428.20 × 161,976.54
  4. Step 4: Simplify right side
    446,286.38x = 108,431,665,416.14
  5. Step 5: Solve for x
    x = 108,431,665,416.14/446,286.38
  6. Step 6: Final answer
    x = 242,964.32

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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.