Finding the Fourth Proportional to 202,557.44, 279,541.76 and 111,912.96
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Solution
The fourth proportional to 202,557.44, 279,541.76 and 111,912.96 is: 154,446.79
Step by Step Solution
- Step 1: Write the proportion equation
202,557.44 : 279,541.76 = 111,912.96 : x - Step 2: Convert to fraction form
202,557.44/279,541.76 = 111,912.96/x - Step 3: Cross multiply
202,557.44x = 279,541.76 × 111,912.96 - Step 4: Simplify right side
202,557.44x = 31,284,345,805.21 - Step 5: Solve for x
x = 31,284,345,805.21/202,557.44 - Step 6: Final answer
x = 154,446.79
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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.