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Finding the Fourth Proportional to 276,958.89, 382,203.09 and 149,634.18

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Solution

The fourth proportional to 276,958.89, 382,203.09 and 149,634.18 is: 206,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,958.89 : 382,203.09 = 149,634.18 : x
  2. Step 2: Convert to fraction form
    276,958.89/382,203.09 = 149,634.18/x
  3. Step 3: Cross multiply
    276,958.89x = 382,203.09 × 149,634.18
  4. Step 4: Simplify right side
    276,958.89x = 57,190,645,965.62
  5. Step 5: Solve for x
    x = 57,190,645,965.62/276,958.89
  6. Step 6: Final answer
    x = 206,495.07

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1.5x scale

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.