Finding the Fourth Proportional to 222,311.19, 306,760.88 and 126,812.19
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Solution
The fourth proportional to 222,311.19, 306,760.88 and 126,812.19 is: 174,984.53
Step by Step Solution
- Step 1: Write the proportion equation
222,311.19 : 306,760.88 = 126,812.19 : x - Step 2: Convert to fraction form
222,311.19/306,760.88 = 126,812.19/x - Step 3: Cross multiply
222,311.19x = 306,760.88 × 126,812.19 - Step 4: Simplify right side
222,311.19x = 38,901,018,365.07 - Step 5: Solve for x
x = 38,901,018,365.07/222,311.19 - Step 6: Final answer
x = 174,984.53
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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.