Finding the Fourth Proportional to 207,933.62, 311,845.08 and 58,164.62
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Solution
The fourth proportional to 207,933.62, 311,845.08 and 58,164.62 is: 87,231.45
Step by Step Solution
- Step 1: Write the proportion equation
207,933.62 : 311,845.08 = 58,164.62 : x - Step 2: Convert to fraction form
207,933.62/311,845.08 = 58,164.62/x - Step 3: Cross multiply
207,933.62x = 311,845.08 × 58,164.62 - Step 4: Simplify right side
207,933.62x = 18,138,350,577.07 - Step 5: Solve for x
x = 18,138,350,577.07/207,933.62 - Step 6: Final answer
x = 87,231.45
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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.