Finding the Fourth Proportional to 363,207.31, 501,232.79 and 202,077.38
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Solution
The fourth proportional to 363,207.31, 501,232.79 and 202,077.38 is: 278,870.52
Step by Step Solution
- Step 1: Write the proportion equation
363,207.31 : 501,232.79 = 202,077.38 : x - Step 2: Convert to fraction form
363,207.31/501,232.79 = 202,077.38/x - Step 3: Cross multiply
363,207.31x = 501,232.79 × 202,077.38 - Step 4: Simplify right side
363,207.31x = 101,287,810,731.57 - Step 5: Solve for x
x = 101,287,810,731.57/363,207.31 - Step 6: Final answer
x = 278,870.52
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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.