Finding the Fourth Proportional to 263,107.20, 394,207.20 and 122,577.60
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Solution
The fourth proportional to 263,107.20, 394,207.20 and 122,577.60 is: 183,655.07
Step by Step Solution
- Step 1: Write the proportion equation
263,107.20 : 394,207.20 = 122,577.60 : x - Step 2: Convert to fraction form
263,107.20/394,207.20 = 122,577.60/x - Step 3: Cross multiply
263,107.20x = 394,207.20 × 122,577.60 - Step 4: Simplify right side
263,107.20x = 48,320,972,478.72 - Step 5: Solve for x
x = 48,320,972,478.72/263,107.20 - Step 6: Final answer
x = 183,655.07
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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.