Finding the Fourth Proportional to 126,600.14, 189,900.21 and 33,105.08
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Solution
The fourth proportional to 126,600.14, 189,900.21 and 33,105.08 is: 49,657.62
Step by Step Solution
- Step 1: Write the proportion equation
126,600.14 : 189,900.21 = 33,105.08 : x - Step 2: Convert to fraction form
126,600.14/189,900.21 = 33,105.08/x - Step 3: Cross multiply
126,600.14x = 189,900.21 × 33,105.08 - Step 4: Simplify right side
126,600.14x = 6,286,661,644.07 - Step 5: Solve for x
x = 6,286,661,644.07/126,600.14 - Step 6: Final answer
x = 49,657.62
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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.