Finding the Fourth Proportional to 161,591.24, 222,958.68 and 97,915.52
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Solution
The fourth proportional to 161,591.24, 222,958.68 and 97,915.52 is: 135,100.85
Step by Step Solution
- Step 1: Write the proportion equation
161,591.24 : 222,958.68 = 97,915.52 : x - Step 2: Convert to fraction form
161,591.24/222,958.68 = 97,915.52/x - Step 3: Cross multiply
161,591.24x = 222,958.68 × 97,915.52 - Step 4: Simplify right side
161,591.24x = 21,831,113,975.92 - Step 5: Solve for x
x = 21,831,113,975.92/161,591.24 - Step 6: Final answer
x = 135,100.85
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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.