Finding the Fourth Proportional to 115,161.17, 172,791.96 and 40,334.99
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Solution
The fourth proportional to 115,161.17, 172,791.96 and 40,334.99 is: 60,520.07
Step by Step Solution
- Step 1: Write the proportion equation
115,161.17 : 172,791.96 = 40,334.99 : x - Step 2: Convert to fraction form
115,161.17/172,791.96 = 40,334.99/x - Step 3: Cross multiply
115,161.17x = 172,791.96 × 40,334.99 - Step 4: Simplify right side
115,161.17x = 6,969,561,777.01 - Step 5: Solve for x
x = 6,969,561,777.01/115,161.17 - Step 6: Final answer
x = 60,520.07
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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.