Finding the Fourth Proportional to 494,461.99, 682,361.64 and 268,107.49
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Solution
The fourth proportional to 494,461.99, 682,361.64 and 268,107.49 is: 369,990.56
Step by Step Solution
- Step 1: Write the proportion equation
494,461.99 : 682,361.64 = 268,107.49 : x - Step 2: Convert to fraction form
494,461.99/682,361.64 = 268,107.49/x - Step 3: Cross multiply
494,461.99x = 682,361.64 × 268,107.49 - Step 4: Simplify right side
494,461.99x = 182,946,266,572.68 - Step 5: Solve for x
x = 182,946,266,572.68/494,461.99 - Step 6: Final answer
x = 369,990.56
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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.