Finding the Fourth Proportional to 198,922.84, 274,519.44 and 122,486.03
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Solution
The fourth proportional to 198,922.84, 274,519.44 and 122,486.03 is: 169,034.37
Step by Step Solution
- Step 1: Write the proportion equation
198,922.84 : 274,519.44 = 122,486.03 : x - Step 2: Convert to fraction form
198,922.84/274,519.44 = 122,486.03/x - Step 3: Cross multiply
198,922.84x = 274,519.44 × 122,486.03 - Step 4: Simplify right side
198,922.84x = 33,624,796,363.42 - Step 5: Solve for x
x = 33,624,796,363.42/198,922.84 - Step 6: Final answer
x = 169,034.37
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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.