Finding the Fourth Proportional to 222,230.02, 306,684.75 and 121,628.02
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Solution
The fourth proportional to 222,230.02, 306,684.75 and 121,628.02 is: 167,850.68
Step by Step Solution
- Step 1: Write the proportion equation
222,230.02 : 306,684.75 = 121,628.02 : x - Step 2: Convert to fraction form
222,230.02/306,684.75 = 121,628.02/x - Step 3: Cross multiply
222,230.02x = 306,684.75 × 121,628.02 - Step 4: Simplify right side
222,230.02x = 37,301,458,906.70 - Step 5: Solve for x
x = 37,301,458,906.70/222,230.02 - Step 6: Final answer
x = 167,850.68
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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.