Finding the Fourth Proportional to 146,446.75, 202,096.65 and 79,378.75
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Solution
The fourth proportional to 146,446.75, 202,096.65 and 79,378.75 is: 109,542.75
Step by Step Solution
- Step 1: Write the proportion equation
146,446.75 : 202,096.65 = 79,378.75 : x - Step 2: Convert to fraction form
146,446.75/202,096.65 = 79,378.75/x - Step 3: Cross multiply
146,446.75x = 202,096.65 × 79,378.75 - Step 4: Simplify right side
146,446.75x = 16,042,179,456.19 - Step 5: Solve for x
x = 16,042,179,456.19/146,446.75 - Step 6: Final answer
x = 109,542.75
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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.