Finding the Fourth Proportional to 203,989.91, 281,500.04 and 113,343.62
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Solution
The fourth proportional to 203,989.91, 281,500.04 and 113,343.62 is: 156,410.84
Step by Step Solution
- Step 1: Write the proportion equation
203,989.91 : 281,500.04 = 113,343.62 : x - Step 2: Convert to fraction form
203,989.91/281,500.04 = 113,343.62/x - Step 3: Cross multiply
203,989.91x = 281,500.04 × 113,343.62 - Step 4: Simplify right side
203,989.91x = 31,906,232,439.60 - Step 5: Solve for x
x = 31,906,232,439.60/203,989.91 - Step 6: Final answer
x = 156,410.84
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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.