Finding the Fourth Proportional to 212,195.01, 292,757.36 and 120,304.43
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Solution
The fourth proportional to 212,195.01, 292,757.36 and 120,304.43 is: 165,979.43
Step by Step Solution
- Step 1: Write the proportion equation
212,195.01 : 292,757.36 = 120,304.43 : x - Step 2: Convert to fraction form
212,195.01/292,757.36 = 120,304.43/x - Step 3: Cross multiply
212,195.01x = 292,757.36 × 120,304.43 - Step 4: Simplify right side
212,195.01x = 35,220,007,323.10 - Step 5: Solve for x
x = 35,220,007,323.10/212,195.01 - Step 6: Final answer
x = 165,979.43
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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.