Finding the Fourth Proportional to 218,384.71, 327,578.88 and 68,621.68
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Solution
The fourth proportional to 218,384.71, 327,578.88 and 68,621.68 is: 102,933.09
Step by Step Solution
- Step 1: Write the proportion equation
218,384.71 : 327,578.88 = 68,621.68 : x - Step 2: Convert to fraction form
218,384.71/327,578.88 = 68,621.68/x - Step 3: Cross multiply
218,384.71x = 327,578.88 × 68,621.68 - Step 4: Simplify right side
218,384.71x = 22,479,013,744.92 - Step 5: Solve for x
x = 22,479,013,744.92/218,384.71 - Step 6: Final answer
x = 102,933.09
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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.