Finding the Fourth Proportional to 198,797.49, 274,341.19 and 108,153.44
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Solution
The fourth proportional to 198,797.49, 274,341.19 and 108,153.44 is: 149,252.09
Step by Step Solution
- Step 1: Write the proportion equation
198,797.49 : 274,341.19 = 108,153.44 : x - Step 2: Convert to fraction form
198,797.49/274,341.19 = 108,153.44/x - Step 3: Cross multiply
198,797.49x = 274,341.19 × 108,153.44 - Step 4: Simplify right side
198,797.49x = 29,670,941,790.10 - Step 5: Solve for x
x = 29,670,941,790.10/198,797.49 - Step 6: Final answer
x = 149,252.09
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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.