Finding the Fourth Proportional to 222,262.36, 306,718.95 and 126,770.62
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Solution
The fourth proportional to 222,262.36, 306,718.95 and 126,770.62 is: 174,941.68
Step by Step Solution
- Step 1: Write the proportion equation
222,262.36 : 306,718.95 = 126,770.62 : x - Step 2: Convert to fraction form
222,262.36/306,718.95 = 126,770.62/x - Step 3: Cross multiply
222,262.36x = 306,718.95 × 126,770.62 - Step 4: Simplify right side
222,262.36x = 38,882,951,457.25 - Step 5: Solve for x
x = 38,882,951,457.25/222,262.36 - Step 6: Final answer
x = 174,941.68
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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.