Finding the Fourth Proportional to 218,129.49, 327,198.36 and 68,366.49
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Solution
The fourth proportional to 218,129.49, 327,198.36 and 68,366.49 is: 102,551.03
Step by Step Solution
- Step 1: Write the proportion equation
218,129.49 : 327,198.36 = 68,366.49 : x - Step 2: Convert to fraction form
218,129.49/327,198.36 = 68,366.49/x - Step 3: Cross multiply
218,129.49x = 327,198.36 × 68,366.49 - Step 4: Simplify right side
218,129.49x = 22,369,403,406.96 - Step 5: Solve for x
x = 22,369,403,406.96/218,129.49 - Step 6: Final answer
x = 102,551.03
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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.