Finding the Fourth Proportional to 103,672.60, 155,469.86 and 33,533.08
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Solution
The fourth proportional to 103,672.60, 155,469.86 and 33,533.08 is: 50,286.99
Step by Step Solution
- Step 1: Write the proportion equation
103,672.60 : 155,469.86 = 33,533.08 : x - Step 2: Convert to fraction form
103,672.60/155,469.86 = 33,533.08/x - Step 3: Cross multiply
103,672.60x = 155,469.86 × 33,533.08 - Step 4: Simplify right side
103,672.60x = 5,213,383,252.97 - Step 5: Solve for x
x = 5,213,383,252.97/103,672.60 - Step 6: Final answer
x = 50,286.99
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1.5x scale
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.