Finding the Fourth Proportional to 121,645.76, 182,473.68 and 41,738.66
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Solution
The fourth proportional to 121,645.76, 182,473.68 and 41,738.66 is: 62,609.71
Step by Step Solution
- Step 1: Write the proportion equation
121,645.76 : 182,473.68 = 41,738.66 : x - Step 2: Convert to fraction form
121,645.76/182,473.68 = 41,738.66/x - Step 3: Cross multiply
121,645.76x = 182,473.68 × 41,738.66 - Step 4: Simplify right side
121,645.76x = 7,616,205,976.10 - Step 5: Solve for x
x = 7,616,205,976.10/121,645.76 - Step 6: Final answer
x = 62,609.71
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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.