Finding the Fourth Proportional to 203,773.22, 281,193.05 and 113,122.12
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Solution
The fourth proportional to 203,773.22, 281,193.05 and 113,122.12 is: 156,100.76
Step by Step Solution
- Step 1: Write the proportion equation
203,773.22 : 281,193.05 = 113,122.12 : x - Step 2: Convert to fraction form
203,773.22/281,193.05 = 113,122.12/x - Step 3: Cross multiply
203,773.22x = 281,193.05 × 113,122.12 - Step 4: Simplify right side
203,773.22x = 31,809,153,525.09 - Step 5: Solve for x
x = 31,809,153,525.09/203,773.22 - Step 6: Final answer
x = 156,100.76
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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.