Finding the Fourth Proportional to 202,439.63, 303,843.71 and 107,749.31
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Solution
The fourth proportional to 202,439.63, 303,843.71 and 107,749.31 is: 161,722.03
Step by Step Solution
- Step 1: Write the proportion equation
202,439.63 : 303,843.71 = 107,749.31 : x - Step 2: Convert to fraction form
202,439.63/303,843.71 = 107,749.31/x - Step 3: Cross multiply
202,439.63x = 303,843.71 × 107,749.31 - Step 4: Simplify right side
202,439.63x = 32,738,948,042.38 - Step 5: Solve for x
x = 32,738,948,042.38/202,439.63 - Step 6: Final answer
x = 161,722.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.