Finding the Fourth Proportional to 115,231.10, 172,578.08 and 111,240.14
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Solution
The fourth proportional to 115,231.10, 172,578.08 and 111,240.14 is: 166,600.94
Step by Step Solution
- Step 1: Write the proportion equation
115,231.10 : 172,578.08 = 111,240.14 : x - Step 2: Convert to fraction form
115,231.10/172,578.08 = 111,240.14/x - Step 3: Cross multiply
115,231.10x = 172,578.08 × 111,240.14 - Step 4: Simplify right side
115,231.10x = 19,197,609,780.13 - Step 5: Solve for x
x = 19,197,609,780.13/115,231.10 - Step 6: Final answer
x = 166,600.94
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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.