Finding the Fourth Proportional to 82,218.36, 113,461.69 and 44,492.61
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Solution
The fourth proportional to 82,218.36, 113,461.69 and 44,492.61 is: 61,399.99
Step by Step Solution
- Step 1: Write the proportion equation
82,218.36 : 113,461.69 = 44,492.61 : x - Step 2: Convert to fraction form
82,218.36/113,461.69 = 44,492.61/x - Step 3: Cross multiply
82,218.36x = 113,461.69 × 44,492.61 - Step 4: Simplify right side
82,218.36x = 5,048,206,723.11 - Step 5: Solve for x
x = 5,048,206,723.11/82,218.36 - Step 6: Final answer
x = 61,399.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.