Finding the Fourth Proportional to 172,771.92, 259,232.76 and 84,102.48
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Solution
The fourth proportional to 172,771.92, 259,232.76 and 84,102.48 is: 126,190.17
Step by Step Solution
- Step 1: Write the proportion equation
172,771.92 : 259,232.76 = 84,102.48 : x - Step 2: Convert to fraction form
172,771.92/259,232.76 = 84,102.48/x - Step 3: Cross multiply
172,771.92x = 259,232.76 × 84,102.48 - Step 4: Simplify right side
172,771.92x = 21,802,118,013.24 - Step 5: Solve for x
x = 21,802,118,013.24/172,771.92 - Step 6: Final answer
x = 126,190.17
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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.