Finding the Fourth Proportional to 201,915.36, 278,639.60 and 110,035.44
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Solution
The fourth proportional to 201,915.36, 278,639.60 and 110,035.44 is: 151,846.94
Step by Step Solution
- Step 1: Write the proportion equation
201,915.36 : 278,639.60 = 110,035.44 : x - Step 2: Convert to fraction form
201,915.36/278,639.60 = 110,035.44/x - Step 3: Cross multiply
201,915.36x = 278,639.60 × 110,035.44 - Step 4: Simplify right side
201,915.36x = 30,660,230,437.25 - Step 5: Solve for x
x = 30,660,230,437.25/201,915.36 - Step 6: Final answer
x = 151,846.94
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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.