Home / 304,348.20-419,924.97-196,788.78

Finding the Fourth Proportional to 304,348.20, 419,924.97 and 196,788.78

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Solution

The fourth proportional to 304,348.20, 419,924.97 and 196,788.78 is: 271,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,348.20 : 419,924.97 = 196,788.78 : x
  2. Step 2: Convert to fraction form
    304,348.20/419,924.97 = 196,788.78/x
  3. Step 3: Cross multiply
    304,348.20x = 419,924.97 × 196,788.78
  4. Step 4: Simplify right side
    304,348.20x = 82,636,522,537.84
  5. Step 5: Solve for x
    x = 82,636,522,537.84/304,348.20
  6. Step 6: Final answer
    x = 271,519.67

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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.