Finding the Fourth Proportional to 203,136.44, 304,538.42 and 76,704.96
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Solution
The fourth proportional to 203,136.44, 304,538.42 and 76,704.96 is: 114,994.67
Step by Step Solution
- Step 1: Write the proportion equation
203,136.44 : 304,538.42 = 76,704.96 : x - Step 2: Convert to fraction form
203,136.44/304,538.42 = 76,704.96/x - Step 3: Cross multiply
203,136.44x = 304,538.42 × 76,704.96 - Step 4: Simplify right side
203,136.44x = 23,359,607,324.56 - Step 5: Solve for x
x = 23,359,607,324.56/203,136.44 - Step 6: Final answer
x = 114,994.67
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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.