Home / 279,834.44-386,172.81-158,982.36

Finding the Fourth Proportional to 279,834.44, 386,172.81 and 158,982.36

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Solution

The fourth proportional to 279,834.44, 386,172.81 and 158,982.36 is: 219,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,834.44 : 386,172.81 = 158,982.36 : x
  2. Step 2: Convert to fraction form
    279,834.44/386,172.81 = 158,982.36/x
  3. Step 3: Cross multiply
    279,834.44x = 386,172.81 × 158,982.36
  4. Step 4: Simplify right side
    279,834.44x = 61,394,663,253.48
  5. Step 5: Solve for x
    x = 61,394,663,253.48/279,834.44
  6. Step 6: Final answer
    x = 219,396.38

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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.