Finding the Fourth Proportional to 167,139.36, 250,717.14 and 54,809.64
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Solution
The fourth proportional to 167,139.36, 250,717.14 and 54,809.64 is: 82,217.12
Step by Step Solution
- Step 1: Write the proportion equation
167,139.36 : 250,717.14 = 54,809.64 : x - Step 2: Convert to fraction form
167,139.36/250,717.14 = 54,809.64/x - Step 3: Cross multiply
167,139.36x = 250,717.14 × 54,809.64 - Step 4: Simplify right side
167,139.36x = 13,741,716,185.23 - Step 5: Solve for x
x = 13,741,716,185.23/167,139.36 - Step 6: Final answer
x = 82,217.12
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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.