Finding the Fourth Proportional to 202,217.20, 303,325.80 and 54,473.20
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Solution
The fourth proportional to 202,217.20, 303,325.80 and 54,473.20 is: 81,709.80
Step by Step Solution
- Step 1: Write the proportion equation
202,217.20 : 303,325.80 = 54,473.20 : x - Step 2: Convert to fraction form
202,217.20/303,325.80 = 54,473.20/x - Step 3: Cross multiply
202,217.20x = 303,325.80 × 54,473.20 - Step 4: Simplify right side
202,217.20x = 16,523,126,968.56 - Step 5: Solve for x
x = 16,523,126,968.56/202,217.20 - Step 6: Final answer
x = 81,709.80
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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.