Finding the Fourth Proportional to 132,939.88, 199,366.68 and 44,169.55
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Solution
The fourth proportional to 132,939.88, 199,366.68 and 44,169.55 is: 66,239.99
Step by Step Solution
- Step 1: Write the proportion equation
132,939.88 : 199,366.68 = 44,169.55 : x - Step 2: Convert to fraction form
132,939.88/199,366.68 = 44,169.55/x - Step 3: Cross multiply
132,939.88x = 199,366.68 × 44,169.55 - Step 4: Simplify right side
132,939.88x = 8,805,936,540.59 - Step 5: Solve for x
x = 8,805,936,540.59/132,939.88 - Step 6: Final answer
x = 66,239.99
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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.