Finding the Fourth Proportional to 200,630.97, 300,858.97 and 75,884.49
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Solution
The fourth proportional to 200,630.97, 300,858.97 and 75,884.49 is: 113,793.65
Step by Step Solution
- Step 1: Write the proportion equation
200,630.97 : 300,858.97 = 75,884.49 : x - Step 2: Convert to fraction form
200,630.97/300,858.97 = 75,884.49/x - Step 3: Cross multiply
200,630.97x = 300,858.97 × 75,884.49 - Step 4: Simplify right side
200,630.97x = 22,830,530,512.54 - Step 5: Solve for x
x = 22,830,530,512.54/200,630.97 - Step 6: Final answer
x = 113,793.65
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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.