Finding the Fourth Proportional to 494,497.20, 682,493.50 and 290,548.06
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Solution
The fourth proportional to 494,497.20, 682,493.50 and 290,548.06 is: 401,007.65
Step by Step Solution
- Step 1: Write the proportion equation
494,497.20 : 682,493.50 = 290,548.06 : x - Step 2: Convert to fraction form
494,497.20/682,493.50 = 290,548.06/x - Step 3: Cross multiply
494,497.20x = 682,493.50 × 290,548.06 - Step 4: Simplify right side
494,497.20x = 198,297,163,249.25 - Step 5: Solve for x
x = 198,297,163,249.25/494,497.20 - Step 6: Final answer
x = 401,007.65
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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.