Finding the Fourth Proportional to 202,163.20, 303,244.80 and 180,390.40
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Solution
The fourth proportional to 202,163.20, 303,244.80 and 180,390.40 is: 270,585.60
Step by Step Solution
- Step 1: Write the proportion equation
202,163.20 : 303,244.80 = 180,390.40 : x - Step 2: Convert to fraction form
202,163.20/303,244.80 = 180,390.40/x - Step 3: Cross multiply
202,163.20x = 303,244.80 × 180,390.40 - Step 4: Simplify right side
202,163.20x = 54,702,450,769.92 - Step 5: Solve for x
x = 54,702,450,769.92/202,163.20 - Step 6: Final answer
x = 270,585.60
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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.