Home / 279,936.96-419,905.44-92,948.46

Finding the Fourth Proportional to 279,936.96, 419,905.44 and 92,948.46

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Solution

The fourth proportional to 279,936.96, 419,905.44 and 92,948.46 is: 139,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936.96 : 419,905.44 = 92,948.46 : x
  2. Step 2: Convert to fraction form
    279,936.96/419,905.44 = 92,948.46/x
  3. Step 3: Cross multiply
    279,936.96x = 419,905.44 × 92,948.46
  4. Step 4: Simplify right side
    279,936.96x = 39,029,563,993.62
  5. Step 5: Solve for x
    x = 39,029,563,993.62/279,936.96
  6. Step 6: Final answer
    x = 139,422.69

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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.