Finding the Fourth Proportional to 282,004.49, 422,908.18 and 113,481.09
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Solution
The fourth proportional to 282,004.49, 422,908.18 and 113,481.09 is: 170,181.98
Step by Step Solution
- Step 1: Write the proportion equation
282,004.49 : 422,908.18 = 113,481.09 : x - Step 2: Convert to fraction form
282,004.49/422,908.18 = 113,481.09/x - Step 3: Cross multiply
282,004.49x = 422,908.18 × 113,481.09 - Step 4: Simplify right side
282,004.49x = 47,992,081,236.32 - Step 5: Solve for x
x = 47,992,081,236.32/282,004.49 - Step 6: Final answer
x = 170,181.98
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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.