Finding the Fourth Proportional to 222,292.49, 306,734.99 and 126,793.49
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Solution
The fourth proportional to 222,292.49, 306,734.99 and 126,793.49 is: 174,958.67
Step by Step Solution
- Step 1: Write the proportion equation
222,292.49 : 306,734.99 = 126,793.49 : x - Step 2: Convert to fraction form
222,292.49/306,734.99 = 126,793.49/x - Step 3: Cross multiply
222,292.49x = 306,734.99 × 126,793.49 - Step 4: Simplify right side
222,292.49x = 38,891,997,719.57 - Step 5: Solve for x
x = 38,891,997,719.57/222,292.49 - Step 6: Final answer
x = 174,958.67
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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.