Finding the Fourth Proportional to 331,804.17, 497,708.01 and 82,486.17
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Solution
The fourth proportional to 331,804.17, 497,708.01 and 82,486.17 is: 123,729.69
Step by Step Solution
- Step 1: Write the proportion equation
331,804.17 : 497,708.01 = 82,486.17 : x - Step 2: Convert to fraction form
331,804.17/497,708.01 = 82,486.17/x - Step 3: Cross multiply
331,804.17x = 497,708.01 × 82,486.17 - Step 4: Simplify right side
331,804.17x = 41,054,027,523.22 - Step 5: Solve for x
x = 41,054,027,523.22/331,804.17 - Step 6: Final answer
x = 123,729.69
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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.