Finding the Fourth Proportional to 202,163.20, 303,244.80 and 189,041.20
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Solution
The fourth proportional to 202,163.20, 303,244.80 and 189,041.20 is: 283,561.80
Step by Step Solution
- Step 1: Write the proportion equation
202,163.20 : 303,244.80 = 189,041.20 : x - Step 2: Convert to fraction form
202,163.20/303,244.80 = 189,041.20/x - Step 3: Cross multiply
202,163.20x = 303,244.80 × 189,041.20 - Step 4: Simplify right side
202,163.20x = 57,325,760,885.76 - Step 5: Solve for x
x = 57,325,760,885.76/202,163.20 - Step 6: Final answer
x = 283,561.80
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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.