Finding the Fourth Proportional to 82,218.65, 113,459.33 and 46,411.99
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Solution
The fourth proportional to 82,218.65, 113,459.33 and 46,411.99 is: 64,047.19
Step by Step Solution
- Step 1: Write the proportion equation
82,218.65 : 113,459.33 = 46,411.99 : x - Step 2: Convert to fraction form
82,218.65/113,459.33 = 46,411.99/x - Step 3: Cross multiply
82,218.65x = 113,459.33 × 46,411.99 - Step 4: Simplify right side
82,218.65x = 5,265,873,121.75 - Step 5: Solve for x
x = 5,265,873,121.75/82,218.65 - Step 6: Final answer
x = 64,047.19
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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.