Finding the Fourth Proportional to 198,798.37, 298,196.16 and 80,467.99
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Solution
The fourth proportional to 198,798.37, 298,196.16 and 80,467.99 is: 120,701.42
Step by Step Solution
- Step 1: Write the proportion equation
198,798.37 : 298,196.16 = 80,467.99 : x - Step 2: Convert to fraction form
198,798.37/298,196.16 = 80,467.99/x - Step 3: Cross multiply
198,798.37x = 298,196.16 × 80,467.99 - Step 4: Simplify right side
198,798.37x = 23,995,245,620.92 - Step 5: Solve for x
x = 23,995,245,620.92/198,798.37 - Step 6: Final answer
x = 120,701.42
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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.