Finding the Fourth Proportional to 222,261.36, 306,717.54 and 126,769.68
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Solution
The fourth proportional to 222,261.36, 306,717.54 and 126,769.68 is: 174,940.37
Step by Step Solution
- Step 1: Write the proportion equation
222,261.36 : 306,717.54 = 126,769.68 : x - Step 2: Convert to fraction form
222,261.36/306,717.54 = 126,769.68/x - Step 3: Cross multiply
222,261.36x = 306,717.54 × 126,769.68 - Step 4: Simplify right side
222,261.36x = 38,882,484,396.19 - Step 5: Solve for x
x = 38,882,484,396.19/222,261.36 - Step 6: Final answer
x = 174,940.37
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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.