Finding the Fourth Proportional to 218,132.49, 327,202.89 and 68,369.49
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Solution
The fourth proportional to 218,132.49, 327,202.89 and 68,369.49 is: 102,555.54
Step by Step Solution
- Step 1: Write the proportion equation
218,132.49 : 327,202.89 = 68,369.49 : x - Step 2: Convert to fraction form
218,132.49/327,202.89 = 68,369.49/x - Step 3: Cross multiply
218,132.49x = 327,202.89 × 68,369.49 - Step 4: Simplify right side
218,132.49x = 22,370,694,715.83 - Step 5: Solve for x
x = 22,370,694,715.83/218,132.49 - Step 6: Final answer
x = 102,555.54
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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.