Finding the Fourth Proportional to 394,190.11, 591,276.84 and 127,950.19
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Solution
The fourth proportional to 394,190.11, 591,276.84 and 127,950.19 is: 191,922.58
Step by Step Solution
- Step 1: Write the proportion equation
394,190.11 : 591,276.84 = 127,950.19 : x - Step 2: Convert to fraction form
394,190.11/591,276.84 = 127,950.19/x - Step 3: Cross multiply
394,190.11x = 591,276.84 × 127,950.19 - Step 4: Simplify right side
394,190.11x = 75,653,984,020.60 - Step 5: Solve for x
x = 75,653,984,020.60/394,190.11 - Step 6: Final answer
x = 191,922.58
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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.