Finding the Fourth Proportional to 167,382.26, 250,756.76 and 129,757.96
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Solution
The fourth proportional to 167,382.26, 250,756.76 and 129,757.96 is: 194,391.48
Step by Step Solution
- Step 1: Write the proportion equation
167,382.26 : 250,756.76 = 129,757.96 : x - Step 2: Convert to fraction form
167,382.26/250,756.76 = 129,757.96/x - Step 3: Cross multiply
167,382.26x = 250,756.76 × 129,757.96 - Step 4: Simplify right side
167,382.26x = 32,537,685,633.81 - Step 5: Solve for x
x = 32,537,685,633.81/167,382.26 - Step 6: Final answer
x = 194,391.48
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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.