Finding the Fourth Proportional to 198,936.80, 298,408.36 and 110,750.80
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Solution
The fourth proportional to 198,936.80, 298,408.36 and 110,750.80 is: 166,127.96
Step by Step Solution
- Step 1: Write the proportion equation
198,936.80 : 298,408.36 = 110,750.80 : x - Step 2: Convert to fraction form
198,936.80/298,408.36 = 110,750.80/x - Step 3: Cross multiply
198,936.80x = 298,408.36 × 110,750.80 - Step 4: Simplify right side
198,936.80x = 33,048,964,596.69 - Step 5: Solve for x
x = 33,048,964,596.69/198,936.80 - Step 6: Final answer
x = 166,127.96
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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.