Finding the Fourth Proportional to 82,207.20, 113,445.99 and 44,481.36
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Solution
The fourth proportional to 82,207.20, 113,445.99 and 44,481.36 is: 61,384.31
Step by Step Solution
- Step 1: Write the proportion equation
82,207.20 : 113,445.99 = 44,481.36 : x - Step 2: Convert to fraction form
82,207.20/113,445.99 = 44,481.36/x - Step 3: Cross multiply
82,207.20x = 113,445.99 × 44,481.36 - Step 4: Simplify right side
82,207.20x = 5,046,231,921.75 - Step 5: Solve for x
x = 5,046,231,921.75/82,207.20 - Step 6: Final answer
x = 61,384.31
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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.