Finding the Fourth Proportional to 198,914.54, 274,508.00 and 122,477.75
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Solution
The fourth proportional to 198,914.54, 274,508.00 and 122,477.75 is: 169,022.94
Step by Step Solution
- Step 1: Write the proportion equation
198,914.54 : 274,508.00 = 122,477.75 : x - Step 2: Convert to fraction form
198,914.54/274,508.00 = 122,477.75/x - Step 3: Cross multiply
198,914.54x = 274,508.00 × 122,477.75 - Step 4: Simplify right side
198,914.54x = 33,621,120,584.25 - Step 5: Solve for x
x = 33,621,120,584.25/198,914.54 - Step 6: Final answer
x = 169,022.94
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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.