Finding the Fourth Proportional to 378,512.80, 567,286.80 and 201,104.80
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Solution
The fourth proportional to 378,512.80, 567,286.80 and 201,104.80 is: 301,400.90
Step by Step Solution
- Step 1: Write the proportion equation
378,512.80 : 567,286.80 = 201,104.80 : x - Step 2: Convert to fraction form
378,512.80/567,286.80 = 201,104.80/x - Step 3: Cross multiply
378,512.80x = 567,286.80 × 201,104.80 - Step 4: Simplify right side
378,512.80x = 114,084,098,456.64 - Step 5: Solve for x
x = 114,084,098,456.64/378,512.80 - Step 6: Final answer
x = 301,400.90
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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.