Finding the Fourth Proportional to 394,053.63, 591,163.46 and 127,793.38
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Solution
The fourth proportional to 394,053.63, 591,163.46 and 127,793.38 is: 191,716.99
Step by Step Solution
- Step 1: Write the proportion equation
394,053.63 : 591,163.46 = 127,793.38 : x - Step 2: Convert to fraction form
394,053.63/591,163.46 = 127,793.38/x - Step 3: Cross multiply
394,053.63x = 591,163.46 × 127,793.38 - Step 4: Simplify right side
394,053.63x = 75,546,776,875.51 - Step 5: Solve for x
x = 75,546,776,875.51/394,053.63 - Step 6: Final answer
x = 191,716.99
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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.