Finding the Fourth Proportional to 192,791.24, 289,630.86 and 136,770.44
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Solution
The fourth proportional to 192,791.24, 289,630.86 and 136,770.44 is: 205,470.64
Step by Step Solution
- Step 1: Write the proportion equation
192,791.24 : 289,630.86 = 136,770.44 : x - Step 2: Convert to fraction form
192,791.24/289,630.86 = 136,770.44/x - Step 3: Cross multiply
192,791.24x = 289,630.86 × 136,770.44 - Step 4: Simplify right side
192,791.24x = 39,612,940,159.78 - Step 5: Solve for x
x = 39,612,940,159.78/192,791.24 - Step 6: Final answer
x = 205,470.64
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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.