Finding the Fourth Proportional to 207,229.20, 311,304.60 and 201,699.60
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Solution
The fourth proportional to 207,229.20, 311,304.60 and 201,699.60 is: 302,997.90
Step by Step Solution
- Step 1: Write the proportion equation
207,229.20 : 311,304.60 = 201,699.60 : x - Step 2: Convert to fraction form
207,229.20/311,304.60 = 201,699.60/x - Step 3: Cross multiply
207,229.20x = 311,304.60 × 201,699.60 - Step 4: Simplify right side
207,229.20x = 62,790,013,298.16 - Step 5: Solve for x
x = 62,790,013,298.16/207,229.20 - Step 6: Final answer
x = 302,997.90
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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.