Finding the Fourth Proportional to 305,190.09, 421,157.97 and 169,224.30
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Solution
The fourth proportional to 305,190.09, 421,157.97 and 169,224.30 is: 233,527.12
Step by Step Solution
- Step 1: Write the proportion equation
305,190.09 : 421,157.97 = 169,224.30 : x - Step 2: Convert to fraction form
305,190.09/421,157.97 = 169,224.30/x - Step 3: Cross multiply
305,190.09x = 421,157.97 × 169,224.30 - Step 4: Simplify right side
305,190.09x = 71,270,162,662.67 - Step 5: Solve for x
x = 71,270,162,662.67/305,190.09 - Step 6: Final answer
x = 233,527.12
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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.