Finding the Fourth Proportional to 207,990.18, 311,961.17 and 58,242.44
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Solution
The fourth proportional to 207,990.18, 311,961.17 and 58,242.44 is: 87,356.92
Step by Step Solution
- Step 1: Write the proportion equation
207,990.18 : 311,961.17 = 58,242.44 : x - Step 2: Convert to fraction form
207,990.18/311,961.17 = 58,242.44/x - Step 3: Cross multiply
207,990.18x = 311,961.17 × 58,242.44 - Step 4: Simplify right side
207,990.18x = 18,169,380,651.56 - Step 5: Solve for x
x = 18,169,380,651.56/207,990.18 - Step 6: Final answer
x = 87,356.92
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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.