Finding the Fourth Proportional to 84,512.99, 126,761.23 and 22,183.49
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Solution
The fourth proportional to 84,512.99, 126,761.23 and 22,183.49 is: 33,273.07
Step by Step Solution
- Step 1: Write the proportion equation
84,512.99 : 126,761.23 = 22,183.49 : x - Step 2: Convert to fraction form
84,512.99/126,761.23 = 22,183.49/x - Step 3: Cross multiply
84,512.99x = 126,761.23 × 22,183.49 - Step 4: Simplify right side
84,512.99x = 2,812,006,478.09 - Step 5: Solve for x
x = 2,812,006,478.09/84,512.99 - Step 6: Final answer
x = 33,273.07
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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.