Finding the Fourth Proportional to 212,770.59, 293,619.92 and 117,286.17
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Solution
The fourth proportional to 212,770.59, 293,619.92 and 117,286.17 is: 161,852.99
Step by Step Solution
- Step 1: Write the proportion equation
212,770.59 : 293,619.92 = 117,286.17 : x - Step 2: Convert to fraction form
212,770.59/293,619.92 = 117,286.17/x - Step 3: Cross multiply
212,770.59x = 293,619.92 × 117,286.17 - Step 4: Simplify right side
212,770.59x = 34,437,555,266.08 - Step 5: Solve for x
x = 34,437,555,266.08/212,770.59 - Step 6: Final answer
x = 161,852.99
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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.