Finding the Fourth Proportional to 198,773.98, 274,313.10 and 108,135.04
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Solution
The fourth proportional to 198,773.98, 274,313.10 and 108,135.04 is: 149,229.08
Step by Step Solution
- Step 1: Write the proportion equation
198,773.98 : 274,313.10 = 108,135.04 : x - Step 2: Convert to fraction form
198,773.98/274,313.10 = 108,135.04/x - Step 3: Cross multiply
198,773.98x = 274,313.10 × 108,135.04 - Step 4: Simplify right side
198,773.98x = 29,662,858,041.02 - Step 5: Solve for x
x = 29,662,858,041.02/198,773.98 - Step 6: Final answer
x = 149,229.08
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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.