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Finding the Fourth Proportional to 177,401, 244,813.38 and 120,911.06

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Solution

The fourth proportional to 177,401, 244,813.38 and 120,911.06 is: 166,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,401 : 244,813.38 = 120,911.06 : x
  2. Step 2: Convert to fraction form
    177,401/244,813.38 = 120,911.06/x
  3. Step 3: Cross multiply
    177,401x = 244,813.38 × 120,911.06
  4. Step 4: Simplify right side
    177,401x = 29,600,645,277.98
  5. Step 5: Solve for x
    x = 29,600,645,277.98/177,401
  6. Step 6: Final answer
    x = 166,857.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.