Finding the Fourth Proportional to 222,016.68, 306,378.45 and 121,414.68
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Solution
The fourth proportional to 222,016.68, 306,378.45 and 121,414.68 is: 167,549.76
Step by Step Solution
- Step 1: Write the proportion equation
222,016.68 : 306,378.45 = 121,414.68 : x - Step 2: Convert to fraction form
222,016.68/306,378.45 = 121,414.68/x - Step 3: Cross multiply
222,016.68x = 306,378.45 × 121,414.68 - Step 4: Simplify right side
222,016.68x = 37,198,841,465.65 - Step 5: Solve for x
x = 37,198,841,465.65/222,016.68 - Step 6: Final answer
x = 167,549.76
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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.