Finding the Fourth Proportional to 212,304.62, 292,640.36 and 161,150.70
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Solution
The fourth proportional to 212,304.62, 292,640.36 and 161,150.70 is: 222,129.88
Step by Step Solution
- Step 1: Write the proportion equation
212,304.62 : 292,640.36 = 161,150.70 : x - Step 2: Convert to fraction form
212,304.62/292,640.36 = 161,150.70/x - Step 3: Cross multiply
212,304.62x = 292,640.36 × 161,150.70 - Step 4: Simplify right side
212,304.62x = 47,159,198,862.25 - Step 5: Solve for x
x = 47,159,198,862.25/212,304.62 - Step 6: Final answer
x = 222,129.88
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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.