Finding the Fourth Proportional to 212,729.39, 293,566.56 and 117,236.09
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Solution
The fourth proportional to 212,729.39, 293,566.56 and 117,236.09 is: 161,785.80
Step by Step Solution
- Step 1: Write the proportion equation
212,729.39 : 293,566.56 = 117,236.09 : x - Step 2: Convert to fraction form
212,729.39/293,566.56 = 117,236.09/x - Step 3: Cross multiply
212,729.39x = 293,566.56 × 117,236.09 - Step 4: Simplify right side
212,729.39x = 34,416,594,181.32 - Step 5: Solve for x
x = 34,416,594,181.32/212,729.39 - Step 6: Final answer
x = 161,785.80
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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.