Finding the Fourth Proportional to 394,578.08, 544,571.08 and 222,531.44
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Solution
The fourth proportional to 394,578.08, 544,571.08 and 222,531.44 is: 307,123.46
Step by Step Solution
- Step 1: Write the proportion equation
394,578.08 : 544,571.08 = 222,531.44 : x - Step 2: Convert to fraction form
394,578.08/544,571.08 = 222,531.44/x - Step 3: Cross multiply
394,578.08x = 544,571.08 × 222,531.44 - Step 4: Simplify right side
394,578.08x = 121,184,186,614.76 - Step 5: Solve for x
x = 121,184,186,614.76/394,578.08 - Step 6: Final answer
x = 307,123.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.