Finding the Fourth Proportional to 239,601.24, 330,755.96 and 154,759.68
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Solution
The fourth proportional to 239,601.24, 330,755.96 and 154,759.68 is: 213,636.99
Step by Step Solution
- Step 1: Write the proportion equation
239,601.24 : 330,755.96 = 154,759.68 : x - Step 2: Convert to fraction form
239,601.24/330,755.96 = 154,759.68/x - Step 3: Cross multiply
239,601.24x = 330,755.96 × 154,759.68 - Step 4: Simplify right side
239,601.24x = 51,187,686,527.69 - Step 5: Solve for x
x = 51,187,686,527.69/239,601.24 - Step 6: Final answer
x = 213,636.99
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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.