Finding the Fourth Proportional to 494,522.43, 682,455.81 and 279,658.19
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Solution
The fourth proportional to 494,522.43, 682,455.81 and 279,658.19 is: 385,936.70
Step by Step Solution
- Step 1: Write the proportion equation
494,522.43 : 682,455.81 = 279,658.19 : x - Step 2: Convert to fraction form
494,522.43/682,455.81 = 279,658.19/x - Step 3: Cross multiply
494,522.43x = 682,455.81 × 279,658.19 - Step 4: Simplify right side
494,522.43x = 190,854,353,167.31 - Step 5: Solve for x
x = 190,854,353,167.31/494,522.43 - Step 6: Final answer
x = 385,936.70
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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.