Finding the Fourth Proportional to 641,724.26, 885,628.67 and 366,088.19
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Solution
The fourth proportional to 641,724.26, 885,628.67 and 366,088.19 is: 505,229.76
Step by Step Solution
- Step 1: Write the proportion equation
641,724.26 : 885,628.67 = 366,088.19 : x - Step 2: Convert to fraction form
641,724.26/885,628.67 = 366,088.19/x - Step 3: Cross multiply
641,724.26x = 885,628.67 × 366,088.19 - Step 4: Simplify right side
641,724.26x = 324,218,190,553.82 - Step 5: Solve for x
x = 324,218,190,553.82/641,724.26 - Step 6: Final answer
x = 505,229.76
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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.