Finding the Fourth Proportional to 203,796.80, 305,694.96 and 133,659.70
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Solution
The fourth proportional to 203,796.80, 305,694.96 and 133,659.70 is: 200,489.39
Step by Step Solution
- Step 1: Write the proportion equation
203,796.80 : 305,694.96 = 133,659.70 : x - Step 2: Convert to fraction form
203,796.80/305,694.96 = 133,659.70/x - Step 3: Cross multiply
203,796.80x = 305,694.96 × 133,659.70 - Step 4: Simplify right side
203,796.80x = 40,859,096,645.11 - Step 5: Solve for x
x = 40,859,096,645.11/203,796.80 - Step 6: Final answer
x = 200,489.39
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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.