Finding the Fourth Proportional to 212,694.57, 293,524.68 and 117,207.42
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Solution
The fourth proportional to 212,694.57, 293,524.68 and 117,207.42 is: 161,749.64
Step by Step Solution
- Step 1: Write the proportion equation
212,694.57 : 293,524.68 = 117,207.42 : x - Step 2: Convert to fraction form
212,694.57/293,524.68 = 117,207.42/x - Step 3: Cross multiply
212,694.57x = 293,524.68 × 117,207.42 - Step 4: Simplify right side
212,694.57x = 34,403,270,449.13 - Step 5: Solve for x
x = 34,403,270,449.13/212,694.57 - Step 6: Final answer
x = 161,749.64
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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.