Finding the Fourth Proportional to 362,198.67, 543,076.56 and 172,716.99
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Solution
The fourth proportional to 362,198.67, 543,076.56 and 172,716.99 is: 258,969.89
Step by Step Solution
- Step 1: Write the proportion equation
362,198.67 : 543,076.56 = 172,716.99 : x - Step 2: Convert to fraction form
362,198.67/543,076.56 = 172,716.99/x - Step 3: Cross multiply
362,198.67x = 543,076.56 × 172,716.99 - Step 4: Simplify right side
362,198.67x = 93,798,548,782.75 - Step 5: Solve for x
x = 93,798,548,782.75/362,198.67 - Step 6: Final answer
x = 258,969.89
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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.