Finding the Fourth Proportional to 281,742.76, 422,614.14 and 94,754.44
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Solution
The fourth proportional to 281,742.76, 422,614.14 and 94,754.44 is: 142,131.66
Step by Step Solution
- Step 1: Write the proportion equation
281,742.76 : 422,614.14 = 94,754.44 : x - Step 2: Convert to fraction form
281,742.76/422,614.14 = 94,754.44/x - Step 3: Cross multiply
281,742.76x = 422,614.14 × 94,754.44 - Step 4: Simplify right side
281,742.76x = 40,044,566,171.78 - Step 5: Solve for x
x = 40,044,566,171.78/281,742.76 - Step 6: Final answer
x = 142,131.66
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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.