Finding the Fourth Proportional to 192,119.70, 288,193.39 and 73,791.02
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Solution
The fourth proportional to 192,119.70, 288,193.39 and 73,791.02 is: 110,691.85
Step by Step Solution
- Step 1: Write the proportion equation
192,119.70 : 288,193.39 = 73,791.02 : x - Step 2: Convert to fraction form
192,119.70/288,193.39 = 73,791.02/x - Step 3: Cross multiply
192,119.70x = 288,193.39 × 73,791.02 - Step 4: Simplify right side
192,119.70x = 21,266,084,205.36 - Step 5: Solve for x
x = 21,266,084,205.36/192,119.70 - Step 6: Final answer
x = 110,691.85
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1.5x scale
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.