Finding the Fourth Proportional to 198,697.14, 274,203.34 and 108,054.09
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Solution
The fourth proportional to 198,697.14, 274,203.34 and 108,054.09 is: 149,115.34
Step by Step Solution
- Step 1: Write the proportion equation
198,697.14 : 274,203.34 = 108,054.09 : x - Step 2: Convert to fraction form
198,697.14/274,203.34 = 108,054.09/x - Step 3: Cross multiply
198,697.14x = 274,203.34 × 108,054.09 - Step 4: Simplify right side
198,697.14x = 29,628,792,108.53 - Step 5: Solve for x
x = 29,628,792,108.53/198,697.14 - Step 6: Final answer
x = 149,115.34
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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.