Finding the Fourth Proportional to 202,272.60, 303,481.80 and 84,028.80
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Solution
The fourth proportional to 202,272.60, 303,481.80 and 84,028.80 is: 126,073.48
Step by Step Solution
- Step 1: Write the proportion equation
202,272.60 : 303,481.80 = 84,028.80 : x - Step 2: Convert to fraction form
202,272.60/303,481.80 = 84,028.80/x - Step 3: Cross multiply
202,272.60x = 303,481.80 × 84,028.80 - Step 4: Simplify right side
202,272.60x = 25,501,211,475.84 - Step 5: Solve for x
x = 25,501,211,475.84/202,272.60 - Step 6: Final answer
x = 126,073.48
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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.