Finding the Fourth Proportional to 274,539.36, 411,138.36 and 169,213.44
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Solution
The fourth proportional to 274,539.36, 411,138.36 and 169,213.44 is: 253,406.78
Step by Step Solution
- Step 1: Write the proportion equation
274,539.36 : 411,138.36 = 169,213.44 : x - Step 2: Convert to fraction form
274,539.36/411,138.36 = 169,213.44/x - Step 3: Cross multiply
274,539.36x = 411,138.36 × 169,213.44 - Step 4: Simplify right side
274,539.36x = 69,570,136,211.56 - Step 5: Solve for x
x = 69,570,136,211.56/274,539.36 - Step 6: Final answer
x = 253,406.78
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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.