Finding the Fourth Proportional to 218,593.62, 327,939.84 and 66,804.48
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Solution
The fourth proportional to 218,593.62, 327,939.84 and 66,804.48 is: 100,221.82
Step by Step Solution
- Step 1: Write the proportion equation
218,593.62 : 327,939.84 = 66,804.48 : x - Step 2: Convert to fraction form
218,593.62/327,939.84 = 66,804.48/x - Step 3: Cross multiply
218,593.62x = 327,939.84 × 66,804.48 - Step 4: Simplify right side
218,593.62x = 21,907,850,482.48 - Step 5: Solve for x
x = 21,907,850,482.48/218,593.62 - Step 6: Final answer
x = 100,221.82
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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.