Finding the Fourth Proportional to 394,049.26, 591,160.32 and 127,836.70
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Solution
The fourth proportional to 394,049.26, 591,160.32 and 127,836.70 is: 191,783.09
Step by Step Solution
- Step 1: Write the proportion equation
394,049.26 : 591,160.32 = 127,836.70 : x - Step 2: Convert to fraction form
394,049.26/591,160.32 = 127,836.70/x - Step 3: Cross multiply
394,049.26x = 591,160.32 × 127,836.70 - Step 4: Simplify right side
394,049.26x = 75,571,984,479.74 - Step 5: Solve for x
x = 75,571,984,479.74/394,049.26 - Step 6: Final answer
x = 191,783.09
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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.