Finding the Fourth Proportional to 183,942.12, 275,825.82 and 84,072.68
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Solution
The fourth proportional to 183,942.12, 275,825.82 and 84,072.68 is: 126,069.09
Step by Step Solution
- Step 1: Write the proportion equation
183,942.12 : 275,825.82 = 84,072.68 : x - Step 2: Convert to fraction form
183,942.12/275,825.82 = 84,072.68/x - Step 3: Cross multiply
183,942.12x = 275,825.82 × 84,072.68 - Step 4: Simplify right side
183,942.12x = 23,189,415,900.60 - Step 5: Solve for x
x = 23,189,415,900.60/183,942.12 - Step 6: Final answer
x = 126,069.09
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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.