Finding the Fourth Proportional to 218,157.91, 327,240.96 and 68,394.88
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Solution
The fourth proportional to 218,157.91, 327,240.96 and 68,394.88 is: 102,593.61
Step by Step Solution
- Step 1: Write the proportion equation
218,157.91 : 327,240.96 = 68,394.88 : x - Step 2: Convert to fraction form
218,157.91/327,240.96 = 68,394.88/x - Step 3: Cross multiply
218,157.91x = 327,240.96 × 68,394.88 - Step 4: Simplify right side
218,157.91x = 22,381,606,727.58 - Step 5: Solve for x
x = 22,381,606,727.58/218,157.91 - Step 6: Final answer
x = 102,593.61
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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.