Finding the Fourth Proportional to 198,939.38, 274,536.35 and 108,296.00
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Solution
The fourth proportional to 198,939.38, 274,536.35 and 108,296.00 is: 149,448.50
Step by Step Solution
- Step 1: Write the proportion equation
198,939.38 : 274,536.35 = 108,296.00 : x - Step 2: Convert to fraction form
198,939.38/274,536.35 = 108,296.00/x - Step 3: Cross multiply
198,939.38x = 274,536.35 × 108,296.00 - Step 4: Simplify right side
198,939.38x = 29,731,190,234.49 - Step 5: Solve for x
x = 29,731,190,234.49/198,939.38 - Step 6: Final answer
x = 149,448.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.