Finding the Fourth Proportional to 201,115.32, 301,439.70 and 161,716.92
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Solution
The fourth proportional to 201,115.32, 301,439.70 and 161,716.92 is: 242,387.80
Step by Step Solution
- Step 1: Write the proportion equation
201,115.32 : 301,439.70 = 161,716.92 : x - Step 2: Convert to fraction form
201,115.32/301,439.70 = 161,716.92/x - Step 3: Cross multiply
201,115.32x = 301,439.70 × 161,716.92 - Step 4: Simplify right side
201,115.32x = 48,747,899,849.72 - Step 5: Solve for x
x = 48,747,899,849.72/201,115.32 - Step 6: Final answer
x = 242,387.80
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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.