Finding the Fourth Proportional to 118,122.92, 177,218.60 and 38,173.08
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Solution
The fourth proportional to 118,122.92, 177,218.60 and 38,173.08 is: 57,270.68
Step by Step Solution
- Step 1: Write the proportion equation
118,122.92 : 177,218.60 = 38,173.08 : x - Step 2: Convert to fraction form
118,122.92/177,218.60 = 38,173.08/x - Step 3: Cross multiply
118,122.92x = 177,218.60 × 38,173.08 - Step 4: Simplify right side
118,122.92x = 6,764,979,604.42 - Step 5: Solve for x
x = 6,764,979,604.42/118,122.92 - Step 6: Final answer
x = 57,270.68
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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.