Finding the Fourth Proportional to 222,286.26, 306,751.41 and 126,792.66
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Solution
The fourth proportional to 222,286.26, 306,751.41 and 126,792.66 is: 174,971.80
Step by Step Solution
- Step 1: Write the proportion equation
222,286.26 : 306,751.41 = 126,792.66 : x - Step 2: Convert to fraction form
222,286.26/306,751.41 = 126,792.66/x - Step 3: Cross multiply
222,286.26x = 306,751.41 × 126,792.66 - Step 4: Simplify right side
222,286.26x = 38,893,827,232.65 - Step 5: Solve for x
x = 38,893,827,232.65/222,286.26 - Step 6: Final answer
x = 174,971.80
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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.