Finding the Fourth Proportional to 167,906.43, 251,859.38 and 115,155.99
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Solution
The fourth proportional to 167,906.43, 251,859.38 and 115,155.99 is: 172,733.80
Step by Step Solution
- Step 1: Write the proportion equation
167,906.43 : 251,859.38 = 115,155.99 : x - Step 2: Convert to fraction form
167,906.43/251,859.38 = 115,155.99/x - Step 3: Cross multiply
167,906.43x = 251,859.38 × 115,155.99 - Step 4: Simplify right side
167,906.43x = 29,003,115,668.91 - Step 5: Solve for x
x = 29,003,115,668.91/167,906.43 - Step 6: Final answer
x = 172,733.80
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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.