Finding the Fourth Proportional to 202,575.40, 303,425.70 and 131,716.60
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Solution
The fourth proportional to 202,575.40, 303,425.70 and 131,716.60 is: 197,290.50
Step by Step Solution
- Step 1: Write the proportion equation
202,575.40 : 303,425.70 = 131,716.60 : x - Step 2: Convert to fraction form
202,575.40/303,425.70 = 131,716.60/x - Step 3: Cross multiply
202,575.40x = 303,425.70 × 131,716.60 - Step 4: Simplify right side
202,575.40x = 39,966,201,556.62 - Step 5: Solve for x
x = 39,966,201,556.62/202,575.40 - Step 6: Final answer
x = 197,290.50
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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.