Finding the Fourth Proportional to 168,531.26, 252,851.56 and 50,203.62
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Solution
The fourth proportional to 168,531.26, 252,851.56 and 50,203.62 is: 75,321.72
Step by Step Solution
- Step 1: Write the proportion equation
168,531.26 : 252,851.56 = 50,203.62 : x - Step 2: Convert to fraction form
168,531.26/252,851.56 = 50,203.62/x - Step 3: Cross multiply
168,531.26x = 252,851.56 × 50,203.62 - Step 4: Simplify right side
168,531.26x = 12,694,063,509.14 - Step 5: Solve for x
x = 12,694,063,509.14/168,531.26 - Step 6: Final answer
x = 75,321.72
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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.