Finding the Fourth Proportional to 202,219.40, 303,183.30 and 132,138.20
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Solution
The fourth proportional to 202,219.40, 303,183.30 and 132,138.20 is: 198,112.03
Step by Step Solution
- Step 1: Write the proportion equation
202,219.40 : 303,183.30 = 132,138.20 : x - Step 2: Convert to fraction form
202,219.40/303,183.30 = 132,138.20/x - Step 3: Cross multiply
202,219.40x = 303,183.30 × 132,138.20 - Step 4: Simplify right side
202,219.40x = 40,062,095,532.06 - Step 5: Solve for x
x = 40,062,095,532.06/202,219.40 - Step 6: Final answer
x = 198,112.03
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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.