Finding the Fourth Proportional to 287,882.75, 397,149.69 and 166,953.95
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Solution
The fourth proportional to 287,882.75, 397,149.69 and 166,953.95 is: 230,321.92
Step by Step Solution
- Step 1: Write the proportion equation
287,882.75 : 397,149.69 = 166,953.95 : x - Step 2: Convert to fraction form
287,882.75/397,149.69 = 166,953.95/x - Step 3: Cross multiply
287,882.75x = 397,149.69 × 166,953.95 - Step 4: Simplify right side
287,882.75x = 66,305,707,501.03 - Step 5: Solve for x
x = 66,305,707,501.03/287,882.75 - Step 6: Final answer
x = 230,321.92
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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.