Finding the Fourth Proportional to 394,052.12, 591,161.22 and 127,791.88
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Solution
The fourth proportional to 394,052.12, 591,161.22 and 127,791.88 is: 191,714.75
Step by Step Solution
- Step 1: Write the proportion equation
394,052.12 : 591,161.22 = 127,791.88 : x - Step 2: Convert to fraction form
394,052.12/591,161.22 = 127,791.88/x - Step 3: Cross multiply
394,052.12x = 591,161.22 × 127,791.88 - Step 4: Simplify right side
394,052.12x = 75,545,602,208.99 - Step 5: Solve for x
x = 75,545,602,208.99/394,052.12 - Step 6: Final answer
x = 191,714.75
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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.