Finding the Fourth Proportional to 82,203.17, 123,230.71 and 29,575.63
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Solution
The fourth proportional to 82,203.17, 123,230.71 and 29,575.63 is: 44,336.80
Step by Step Solution
- Step 1: Write the proportion equation
82,203.17 : 123,230.71 = 29,575.63 : x - Step 2: Convert to fraction form
82,203.17/123,230.71 = 29,575.63/x - Step 3: Cross multiply
82,203.17x = 123,230.71 × 29,575.63 - Step 4: Simplify right side
82,203.17x = 3,644,625,119.57 - Step 5: Solve for x
x = 3,644,625,119.57/82,203.17 - Step 6: Final answer
x = 44,336.80
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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.