Finding the Fourth Proportional to 422,751.28, 634,207.02 and 222,882.70
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Solution
The fourth proportional to 422,751.28, 634,207.02 and 222,882.70 is: 334,366.28
Step by Step Solution
- Step 1: Write the proportion equation
422,751.28 : 634,207.02 = 222,882.70 : x - Step 2: Convert to fraction form
422,751.28/634,207.02 = 222,882.70/x - Step 3: Cross multiply
422,751.28x = 634,207.02 × 222,882.70 - Step 4: Simplify right side
422,751.28x = 141,353,772,976.55 - Step 5: Solve for x
x = 141,353,772,976.55/422,751.28 - Step 6: Final answer
x = 334,366.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.