Finding the Fourth Proportional to 505,343.07, 757,792.67 and 189,578.75
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Solution
The fourth proportional to 505,343.07, 757,792.67 and 189,578.75 is: 284,284.86
Step by Step Solution
- Step 1: Write the proportion equation
505,343.07 : 757,792.67 = 189,578.75 : x - Step 2: Convert to fraction form
505,343.07/757,792.67 = 189,578.75/x - Step 3: Cross multiply
505,343.07x = 757,792.67 × 189,578.75 - Step 4: Simplify right side
505,343.07x = 143,661,382,400.91 - Step 5: Solve for x
x = 143,661,382,400.91/505,343.07 - Step 6: Final answer
x = 284,284.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.