Finding the Fourth Proportional to 203,731.44, 281,151.84 and 113,089.20
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Solution
The fourth proportional to 203,731.44, 281,151.84 and 113,089.20 is: 156,064.46
Step by Step Solution
- Step 1: Write the proportion equation
203,731.44 : 281,151.84 = 113,089.20 : x - Step 2: Convert to fraction form
203,731.44/281,151.84 = 113,089.20/x - Step 3: Cross multiply
203,731.44x = 281,151.84 × 113,089.20 - Step 4: Simplify right side
203,731.44x = 31,795,236,664.13 - Step 5: Solve for x
x = 31,795,236,664.13/203,731.44 - Step 6: Final answer
x = 156,064.46
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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.