Home / 493,982.46-681,735.83-279,167.09

Finding the Fourth Proportional to 493,982.46, 681,735.83 and 279,167.09

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Solution

The fourth proportional to 493,982.46, 681,735.83 and 279,167.09 is: 385,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,982.46 : 681,735.83 = 279,167.09 : x
  2. Step 2: Convert to fraction form
    493,982.46/681,735.83 = 279,167.09/x
  3. Step 3: Cross multiply
    493,982.46x = 681,735.83 × 279,167.09
  4. Step 4: Simplify right side
    493,982.46x = 190,318,203,005.32
  5. Step 5: Solve for x
    x = 190,318,203,005.32/493,982.46
  6. Step 6: Final answer
    x = 385,273.20

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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.