Finding the Fourth Proportional to 217,102.68, 299,596.32 and 121,608.72
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Solution
The fourth proportional to 217,102.68, 299,596.32 and 121,608.72 is: 167,817.02
Step by Step Solution
- Step 1: Write the proportion equation
217,102.68 : 299,596.32 = 121,608.72 : x - Step 2: Convert to fraction form
217,102.68/299,596.32 = 121,608.72/x - Step 3: Cross multiply
217,102.68x = 299,596.32 × 121,608.72 - Step 4: Simplify right side
217,102.68x = 36,433,524,991.91 - Step 5: Solve for x
x = 36,433,524,991.91/217,102.68 - Step 6: Final answer
x = 167,817.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.