Finding the Fourth Proportional to 394,918.68, 591,902.09 and 181,391.94
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Solution
The fourth proportional to 394,918.68, 591,902.09 and 181,391.94 is: 271,869.31
Step by Step Solution
- Step 1: Write the proportion equation
394,918.68 : 591,902.09 = 181,391.94 : x - Step 2: Convert to fraction form
394,918.68/591,902.09 = 181,391.94/x - Step 3: Cross multiply
394,918.68x = 591,902.09 × 181,391.94 - Step 4: Simplify right side
394,918.68x = 107,366,267,488.20 - Step 5: Solve for x
x = 107,366,267,488.20/394,918.68 - Step 6: Final answer
x = 271,869.31
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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.