Finding the Fourth Proportional to 192,704.20, 269,163.80 and 192,704.20
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Solution
The fourth proportional to 192,704.20, 269,163.80 and 192,704.20 is: 269,163.80
Step by Step Solution
- Step 1: Write the proportion equation
192,704.20 : 269,163.80 = 192,704.20 : x - Step 2: Convert to fraction form
192,704.20/269,163.80 = 192,704.20/x - Step 3: Cross multiply
192,704.20x = 269,163.80 × 192,704.20 - Step 4: Simplify right side
192,704.20x = 51,868,994,747.96 - Step 5: Solve for x
x = 51,868,994,747.96/192,704.20 - Step 6: Final answer
x = 269,163.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.