Home / 298,815.34-447,484.89-222,731.43

Finding the Fourth Proportional to 298,815.34, 447,484.89 and 222,731.43

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Solution

The fourth proportional to 298,815.34, 447,484.89 and 222,731.43 is: 333,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,815.34 : 447,484.89 = 222,731.43 : x
  2. Step 2: Convert to fraction form
    298,815.34/447,484.89 = 222,731.43/x
  3. Step 3: Cross multiply
    298,815.34x = 447,484.89 × 222,731.43
  4. Step 4: Simplify right side
    298,815.34x = 99,668,949,453.09
  5. Step 5: Solve for x
    x = 99,668,949,453.09/298,815.34
  6. Step 6: Final answer
    x = 333,546.97

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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.