Finding the Fourth Proportional to 133,286.28, 199,939.72 and 44,540.09
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Solution
The fourth proportional to 133,286.28, 199,939.72 and 44,540.09 is: 66,813.58
Step by Step Solution
- Step 1: Write the proportion equation
133,286.28 : 199,939.72 = 44,540.09 : x - Step 2: Convert to fraction form
133,286.28/199,939.72 = 44,540.09/x - Step 3: Cross multiply
133,286.28x = 199,939.72 × 44,540.09 - Step 4: Simplify right side
133,286.28x = 8,905,333,123.37 - Step 5: Solve for x
x = 8,905,333,123.37/133,286.28 - Step 6: Final answer
x = 66,813.58
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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.