Finding the Fourth Proportional to 212,524.92, 293,293.44 and 121,906.44
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Solution
The fourth proportional to 212,524.92, 293,293.44 and 121,906.44 is: 168,236.08
Step by Step Solution
- Step 1: Write the proportion equation
212,524.92 : 293,293.44 = 121,906.44 : x - Step 2: Convert to fraction form
212,524.92/293,293.44 = 121,906.44/x - Step 3: Cross multiply
212,524.92x = 293,293.44 × 121,906.44 - Step 4: Simplify right side
212,524.92x = 35,754,359,145.75 - Step 5: Solve for x
x = 35,754,359,145.75/212,524.92 - Step 6: Final answer
x = 168,236.08
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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.