Finding the Fourth Proportional to 394,106.97, 591,243.48 and 127,846.70
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Solution
The fourth proportional to 394,106.97, 591,243.48 and 127,846.70 is: 191,796.98
Step by Step Solution
- Step 1: Write the proportion equation
394,106.97 : 591,243.48 = 127,846.70 : x - Step 2: Convert to fraction form
394,106.97/591,243.48 = 127,846.70/x - Step 3: Cross multiply
394,106.97x = 591,243.48 × 127,846.70 - Step 4: Simplify right side
394,106.97x = 75,588,524,858.30 - Step 5: Solve for x
x = 75,588,524,858.30/394,106.97 - Step 6: Final answer
x = 191,796.98
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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.