Finding the Fourth Proportional to 269,292.78, 403,939.17 and 82,302.66
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Solution
The fourth proportional to 269,292.78, 403,939.17 and 82,302.66 is: 123,453.99
Step by Step Solution
- Step 1: Write the proportion equation
269,292.78 : 403,939.17 = 82,302.66 : x - Step 2: Convert to fraction form
269,292.78/403,939.17 = 82,302.66/x - Step 3: Cross multiply
269,292.78x = 403,939.17 × 82,302.66 - Step 4: Simplify right side
269,292.78x = 33,245,268,169.19 - Step 5: Solve for x
x = 33,245,268,169.19/269,292.78 - Step 6: Final answer
x = 123,453.99
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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.