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Finding the Fourth Proportional to 333,997.92, 500,889.96 and 109,297.44

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Solution

The fourth proportional to 333,997.92, 500,889.96 and 109,297.44 is: 163,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,997.92 : 500,889.96 = 109,297.44 : x
  2. Step 2: Convert to fraction form
    333,997.92/500,889.96 = 109,297.44/x
  3. Step 3: Cross multiply
    333,997.92x = 500,889.96 × 109,297.44
  4. Step 4: Simplify right side
    333,997.92x = 54,745,990,349.70
  5. Step 5: Solve for x
    x = 54,745,990,349.70/333,997.92
  6. Step 6: Final answer
    x = 163,911.17

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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.