Finding the Fourth Proportional to 218,107.71, 327,161.64 and 68,359.62
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Solution
The fourth proportional to 218,107.71, 327,161.64 and 68,359.62 is: 102,539.45
Step by Step Solution
- Step 1: Write the proportion equation
218,107.71 : 327,161.64 = 68,359.62 : x - Step 2: Convert to fraction form
218,107.71/327,161.64 = 68,359.62/x - Step 3: Cross multiply
218,107.71x = 327,161.64 × 68,359.62 - Step 4: Simplify right side
218,107.71x = 22,364,645,388.98 - Step 5: Solve for x
x = 22,364,645,388.98/218,107.71 - Step 6: Final answer
x = 102,539.45
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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.