Finding the Fourth Proportional to 82,416.21, 123,633.96 and 26,236.63
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Solution
The fourth proportional to 82,416.21, 123,633.96 and 26,236.63 is: 39,358.02
Step by Step Solution
- Step 1: Write the proportion equation
82,416.21 : 123,633.96 = 26,236.63 : x - Step 2: Convert to fraction form
82,416.21/123,633.96 = 26,236.63/x - Step 3: Cross multiply
82,416.21x = 123,633.96 × 26,236.63 - Step 4: Simplify right side
82,416.21x = 3,243,738,463.95 - Step 5: Solve for x
x = 3,243,738,463.95/82,416.21 - Step 6: Final answer
x = 39,358.02
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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.