Finding the Fourth Proportional to 182,102.62, 251,212.28 and 121,688.10
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Solution
The fourth proportional to 182,102.62, 251,212.28 and 121,688.10 is: 167,869.88
Step by Step Solution
- Step 1: Write the proportion equation
182,102.62 : 251,212.28 = 121,688.10 : x - Step 2: Convert to fraction form
182,102.62/251,212.28 = 121,688.10/x - Step 3: Cross multiply
182,102.62x = 251,212.28 × 121,688.10 - Step 4: Simplify right side
182,102.62x = 30,569,545,049.87 - Step 5: Solve for x
x = 30,569,545,049.87/182,102.62 - Step 6: Final answer
x = 167,869.88
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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.