Finding the Fourth Proportional to 263,271.20, 394,906.80 and 201,063.20
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Solution
The fourth proportional to 263,271.20, 394,906.80 and 201,063.20 is: 301,594.80
Step by Step Solution
- Step 1: Write the proportion equation
263,271.20 : 394,906.80 = 201,063.20 : x - Step 2: Convert to fraction form
263,271.20/394,906.80 = 201,063.20/x - Step 3: Cross multiply
263,271.20x = 394,906.80 × 201,063.20 - Step 4: Simplify right side
263,271.20x = 79,401,224,909.76 - Step 5: Solve for x
x = 79,401,224,909.76/263,271.20 - Step 6: Final answer
x = 301,594.80
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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.