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Finding the Fourth Proportional to 199,383.44, 299,139.96 and 133,093.04

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Solution

The fourth proportional to 199,383.44, 299,139.96 and 133,093.04 is: 199,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,383.44 : 299,139.96 = 133,093.04 : x
  2. Step 2: Convert to fraction form
    199,383.44/299,139.96 = 133,093.04/x
  3. Step 3: Cross multiply
    199,383.44x = 299,139.96 × 133,093.04
  4. Step 4: Simplify right side
    199,383.44x = 39,813,446,661.88
  5. Step 5: Solve for x
    x = 39,813,446,661.88/199,383.44
  6. Step 6: Final answer
    x = 199,682.82

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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.