Finding the Fourth Proportional to 282,003.49, 422,906.68 and 113,480.09
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Solution
The fourth proportional to 282,003.49, 422,906.68 and 113,480.09 is: 170,180.48
Step by Step Solution
- Step 1: Write the proportion equation
282,003.49 : 422,906.68 = 113,480.09 : x - Step 2: Convert to fraction form
282,003.49/422,906.68 = 113,480.09/x - Step 3: Cross multiply
282,003.49x = 422,906.68 × 113,480.09 - Step 4: Simplify right side
282,003.49x = 47,991,488,108.00 - Step 5: Solve for x
x = 47,991,488,108.00/282,003.49 - Step 6: Final answer
x = 170,180.48
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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.