Finding the Fourth Proportional to 204,337.56, 306,107.82 and 115,321.80
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Solution
The fourth proportional to 204,337.56, 306,107.82 and 115,321.80 is: 172,757.79
Step by Step Solution
- Step 1: Write the proportion equation
204,337.56 : 306,107.82 = 115,321.80 : x - Step 2: Convert to fraction form
204,337.56/306,107.82 = 115,321.80/x - Step 3: Cross multiply
204,337.56x = 306,107.82 × 115,321.80 - Step 4: Simplify right side
204,337.56x = 35,300,904,796.48 - Step 5: Solve for x
x = 35,300,904,796.48/204,337.56 - Step 6: Final answer
x = 172,757.79
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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.