Finding the Fourth Proportional to 281,583.81, 422,287.39 and 92,000.99
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Solution
The fourth proportional to 281,583.81, 422,287.39 and 92,000.99 is: 137,972.63
Step by Step Solution
- Step 1: Write the proportion equation
281,583.81 : 422,287.39 = 92,000.99 : x - Step 2: Convert to fraction form
281,583.81/422,287.39 = 92,000.99/x - Step 3: Cross multiply
281,583.81x = 422,287.39 × 92,000.99 - Step 4: Simplify right side
281,583.81x = 38,850,857,944.52 - Step 5: Solve for x
x = 38,850,857,944.52/281,583.81 - Step 6: Final answer
x = 137,972.63
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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.