Home / 306,015.22-458,834.89-106,249.78

Finding the Fourth Proportional to 306,015.22, 458,834.89 and 106,249.78

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Solution

The fourth proportional to 306,015.22, 458,834.89 and 106,249.78 is: 159,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,015.22 : 458,834.89 = 106,249.78 : x
  2. Step 2: Convert to fraction form
    306,015.22/458,834.89 = 106,249.78/x
  3. Step 3: Cross multiply
    306,015.22x = 458,834.89 × 106,249.78
  4. Step 4: Simplify right side
    306,015.22x = 48,751,106,118.82
  5. Step 5: Solve for x
    x = 48,751,106,118.82/306,015.22
  6. Step 6: Final answer
    x = 159,309.42

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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.