Finding the Fourth Proportional to 263,112.60, 394,474.50 and 218,556.12
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Solution
The fourth proportional to 263,112.60, 394,474.50 and 218,556.12 is: 327,672.70
Step by Step Solution
- Step 1: Write the proportion equation
263,112.60 : 394,474.50 = 218,556.12 : x - Step 2: Convert to fraction form
263,112.60/394,474.50 = 218,556.12/x - Step 3: Cross multiply
263,112.60x = 394,474.50 × 218,556.12 - Step 4: Simplify right side
263,112.60x = 86,214,816,158.94 - Step 5: Solve for x
x = 86,214,816,158.94/263,112.60 - Step 6: Final answer
x = 327,672.70
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1.5x scale
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.