Finding the Fourth Proportional to 268,720.44, 403,236.42 and 135,611.10
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Solution
The fourth proportional to 268,720.44, 403,236.42 and 135,611.10 is: 203,495.26
Step by Step Solution
- Step 1: Write the proportion equation
268,720.44 : 403,236.42 = 135,611.10 : x - Step 2: Convert to fraction form
268,720.44/403,236.42 = 135,611.10/x - Step 3: Cross multiply
268,720.44x = 403,236.42 × 135,611.10 - Step 4: Simplify right side
268,720.44x = 54,683,334,476.26 - Step 5: Solve for x
x = 54,683,334,476.26/268,720.44 - Step 6: Final answer
x = 203,495.26
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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.