Finding the Fourth Proportional to 263,635.20, 395,452.80 and 193,651.20
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Solution
The fourth proportional to 263,635.20, 395,452.80 and 193,651.20 is: 290,476.80
Step by Step Solution
- Step 1: Write the proportion equation
263,635.20 : 395,452.80 = 193,651.20 : x - Step 2: Convert to fraction form
263,635.20/395,452.80 = 193,651.20/x - Step 3: Cross multiply
263,635.20x = 395,452.80 × 193,651.20 - Step 4: Simplify right side
263,635.20x = 76,579,909,263.36 - Step 5: Solve for x
x = 76,579,909,263.36/263,635.20 - Step 6: Final answer
x = 290,476.80
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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.