Finding the Fourth Proportional to 204,261.40, 281,876.64 and 113,615.41
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Solution
The fourth proportional to 204,261.40, 281,876.64 and 113,615.41 is: 156,786.99
Step by Step Solution
- Step 1: Write the proportion equation
204,261.40 : 281,876.64 = 113,615.41 : x - Step 2: Convert to fraction form
204,261.40/281,876.64 = 113,615.41/x - Step 3: Cross multiply
204,261.40x = 281,876.64 × 113,615.41 - Step 4: Simplify right side
204,261.40x = 32,025,530,023.02 - Step 5: Solve for x
x = 32,025,530,023.02/204,261.40 - Step 6: Final answer
x = 156,786.99
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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.