Finding the Fourth Proportional to 204,344.40, 306,516.60 and 147,919.80
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Solution
The fourth proportional to 204,344.40, 306,516.60 and 147,919.80 is: 221,879.70
Step by Step Solution
- Step 1: Write the proportion equation
204,344.40 : 306,516.60 = 147,919.80 : x - Step 2: Convert to fraction form
204,344.40/306,516.60 = 147,919.80/x - Step 3: Cross multiply
204,344.40x = 306,516.60 × 147,919.80 - Step 4: Simplify right side
204,344.40x = 45,339,874,168.68 - Step 5: Solve for x
x = 45,339,874,168.68/204,344.40 - Step 6: Final answer
x = 221,879.70
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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.