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Finding the Fourth Proportional to 335,687.23, 503,531.01 and 111,047.66

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Solution

The fourth proportional to 335,687.23, 503,531.01 and 111,047.66 is: 166,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,687.23 : 503,531.01 = 111,047.66 : x
  2. Step 2: Convert to fraction form
    335,687.23/503,531.01 = 111,047.66/x
  3. Step 3: Cross multiply
    335,687.23x = 503,531.01 × 111,047.66
  4. Step 4: Simplify right side
    335,687.23x = 55,915,942,600.88
  5. Step 5: Solve for x
    x = 55,915,942,600.88/335,687.23
  6. Step 6: Final answer
    x = 166,571.55

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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.