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Finding the Fourth Proportional to 245,249.60, 367,997.52 and 112,118

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Solution

The fourth proportional to 245,249.60, 367,997.52 and 112,118 is: 168,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,249.60 : 367,997.52 = 112,118 : x
  2. Step 2: Convert to fraction form
    245,249.60/367,997.52 = 112,118/x
  3. Step 3: Cross multiply
    245,249.60x = 367,997.52 × 112,118
  4. Step 4: Simplify right side
    245,249.60x = 41,259,145,947.36
  5. Step 5: Solve for x
    x = 41,259,145,947.36/245,249.60
  6. Step 6: Final answer
    x = 168,233.29

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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.