Finding the Fourth Proportional to 347,172.73, 479,079.09 and 194,181.36
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Solution
The fourth proportional to 347,172.73, 479,079.09 and 194,181.36 is: 267,959.50
Step by Step Solution
- Step 1: Write the proportion equation
347,172.73 : 479,079.09 = 194,181.36 : x - Step 2: Convert to fraction form
347,172.73/479,079.09 = 194,181.36/x - Step 3: Cross multiply
347,172.73x = 479,079.09 × 194,181.36 - Step 4: Simplify right side
347,172.73x = 93,028,230,441.46 - Step 5: Solve for x
x = 93,028,230,441.46/347,172.73 - Step 6: Final answer
x = 267,959.50
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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.