Finding the Fourth Proportional to 199,078.44, 298,740.38 and 80,750.81
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Solution
The fourth proportional to 199,078.44, 298,740.38 and 80,750.81 is: 121,175.98
Step by Step Solution
- Step 1: Write the proportion equation
199,078.44 : 298,740.38 = 80,750.81 : x - Step 2: Convert to fraction form
199,078.44/298,740.38 = 80,750.81/x - Step 3: Cross multiply
199,078.44x = 298,740.38 × 80,750.81 - Step 4: Simplify right side
199,078.44x = 24,123,525,767.25 - Step 5: Solve for x
x = 24,123,525,767.25/199,078.44 - Step 6: Final answer
x = 121,175.98
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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.