Finding the Fourth Proportional to 820,022.99, 1,229,990.74 and 220,974.53
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Solution
The fourth proportional to 820,022.99, 1,229,990.74 and 220,974.53 is: 331,450.00
Step by Step Solution
- Step 1: Write the proportion equation
820,022.99 : 1,229,990.74 = 220,974.53 : x - Step 2: Convert to fraction form
820,022.99/1,229,990.74 = 220,974.53/x - Step 3: Cross multiply
820,022.99x = 1,229,990.74 × 220,974.53 - Step 4: Simplify right side
820,022.99x = 271,796,618,973.46 - Step 5: Solve for x
x = 271,796,618,973.46/820,022.99 - Step 6: Final answer
x = 331,450.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.