Finding the Fourth Proportional to 222,272.10, 306,738.60 and 125,481.40
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Solution
The fourth proportional to 222,272.10, 306,738.60 and 125,481.40 is: 173,166.09
Step by Step Solution
- Step 1: Write the proportion equation
222,272.10 : 306,738.60 = 125,481.40 : x - Step 2: Convert to fraction form
222,272.10/306,738.60 = 125,481.40/x - Step 3: Cross multiply
222,272.10x = 306,738.60 × 125,481.40 - Step 4: Simplify right side
222,272.10x = 38,489,989,450.04 - Step 5: Solve for x
x = 38,489,989,450.04/222,272.10 - Step 6: Final answer
x = 173,166.09
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1.5x scale
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.