Finding the Fourth Proportional to 274,039.18, 411,010.22 and 74,375.08
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Solution
The fourth proportional to 274,039.18, 411,010.22 and 74,375.08 is: 111,549.44
Step by Step Solution
- Step 1: Write the proportion equation
274,039.18 : 411,010.22 = 74,375.08 : x - Step 2: Convert to fraction form
274,039.18/411,010.22 = 74,375.08/x - Step 3: Cross multiply
274,039.18x = 411,010.22 × 74,375.08 - Step 4: Simplify right side
274,039.18x = 30,568,917,151.73 - Step 5: Solve for x
x = 30,568,917,151.73/274,039.18 - Step 6: Final answer
x = 111,549.44
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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.