Finding the Fourth Proportional to 212,604.22, 293,393.82 and 117,112.96
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Solution
The fourth proportional to 212,604.22, 293,393.82 and 117,112.96 is: 161,615.88
Step by Step Solution
- Step 1: Write the proportion equation
212,604.22 : 293,393.82 = 117,112.96 : x - Step 2: Convert to fraction form
212,604.22/293,393.82 = 117,112.96/x - Step 3: Cross multiply
212,604.22x = 293,393.82 × 117,112.96 - Step 4: Simplify right side
212,604.22x = 34,360,218,705.91 - Step 5: Solve for x
x = 34,360,218,705.91/212,604.22 - Step 6: Final answer
x = 161,615.88
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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.