Finding the Fourth Proportional to 82,467.18, 123,717.60 and 26,305.74
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Solution
The fourth proportional to 82,467.18, 123,717.60 and 26,305.74 is: 39,463.98
Step by Step Solution
- Step 1: Write the proportion equation
82,467.18 : 123,717.60 = 26,305.74 : x - Step 2: Convert to fraction form
82,467.18/123,717.60 = 26,305.74/x - Step 3: Cross multiply
82,467.18x = 123,717.60 × 26,305.74 - Step 4: Simplify right side
82,467.18x = 3,254,483,019.02 - Step 5: Solve for x
x = 3,254,483,019.02/82,467.18 - Step 6: Final answer
x = 39,463.98
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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.