Finding the Fourth Proportional to 394,331.10, 591,703.20 and 181,163.40
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Solution
The fourth proportional to 394,331.10, 591,703.20 and 181,163.40 is: 271,839.99
Step by Step Solution
- Step 1: Write the proportion equation
394,331.10 : 591,703.20 = 181,163.40 : x - Step 2: Convert to fraction form
394,331.10/591,703.20 = 181,163.40/x - Step 3: Cross multiply
394,331.10x = 591,703.20 × 181,163.40 - Step 4: Simplify right side
394,331.10x = 107,194,963,502.88 - Step 5: Solve for x
x = 107,194,963,502.88/394,331.10 - Step 6: Final answer
x = 271,839.99
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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.