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Finding the Fourth Proportional to 117,488.78, 176,240.03 and 33,241.90

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Solution

The fourth proportional to 117,488.78, 176,240.03 and 33,241.90 is: 49,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488.78 : 176,240.03 = 33,241.90 : x
  2. Step 2: Convert to fraction form
    117,488.78/176,240.03 = 33,241.90/x
  3. Step 3: Cross multiply
    117,488.78x = 176,240.03 × 33,241.90
  4. Step 4: Simplify right side
    117,488.78x = 5,858,552,846.45
  5. Step 5: Solve for x
    x = 5,858,552,846.45/117,488.78
  6. Step 6: Final answer
    x = 49,864.78

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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.