Finding the Fourth Proportional to 212,436.82, 293,157.66 and 116,942.68
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Solution
The fourth proportional to 212,436.82, 293,157.66 and 116,942.68 is: 161,378.06
Step by Step Solution
- Step 1: Write the proportion equation
212,436.82 : 293,157.66 = 116,942.68 : x - Step 2: Convert to fraction form
212,436.82/293,157.66 = 116,942.68/x - Step 3: Cross multiply
212,436.82x = 293,157.66 × 116,942.68 - Step 4: Simplify right side
212,436.82x = 34,282,642,422.93 - Step 5: Solve for x
x = 34,282,642,422.93/212,436.82 - Step 6: Final answer
x = 161,378.06
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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.