Finding the Fourth Proportional to 84,502.80, 126,747.60 and 22,171.68
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Solution
The fourth proportional to 84,502.80, 126,747.60 and 22,171.68 is: 33,255.79
Step by Step Solution
- Step 1: Write the proportion equation
84,502.80 : 126,747.60 = 22,171.68 : x - Step 2: Convert to fraction form
84,502.80/126,747.60 = 22,171.68/x - Step 3: Cross multiply
84,502.80x = 126,747.60 × 22,171.68 - Step 4: Simplify right side
84,502.80x = 2,810,207,227.97 - Step 5: Solve for x
x = 2,810,207,227.97/84,502.80 - Step 6: Final answer
x = 33,255.79
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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.