Finding the Fourth Proportional to 82,857.49, 124,302.48 and 32,928.28
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Solution
The fourth proportional to 82,857.49, 124,302.48 and 32,928.28 is: 49,398.88
Step by Step Solution
- Step 1: Write the proportion equation
82,857.49 : 124,302.48 = 32,928.28 : x - Step 2: Convert to fraction form
82,857.49/124,302.48 = 32,928.28/x - Step 3: Cross multiply
82,857.49x = 124,302.48 × 32,928.28 - Step 4: Simplify right side
82,857.49x = 4,093,066,866.13 - Step 5: Solve for x
x = 4,093,066,866.13/82,857.49 - Step 6: Final answer
x = 49,398.88
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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.