Finding the Fourth Proportional to 163,200.26, 225,214.25 and 91,581.70
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Solution
The fourth proportional to 163,200.26, 225,214.25 and 91,581.70 is: 126,381.56
Step by Step Solution
- Step 1: Write the proportion equation
163,200.26 : 225,214.25 = 91,581.70 : x - Step 2: Convert to fraction form
163,200.26/225,214.25 = 91,581.70/x - Step 3: Cross multiply
163,200.26x = 225,214.25 × 91,581.70 - Step 4: Simplify right side
163,200.26x = 20,625,503,879.23 - Step 5: Solve for x
x = 20,625,503,879.23/163,200.26 - Step 6: Final answer
x = 126,381.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.