Finding the Fourth Proportional to 403,442.40, 605,163.60 and 377,198.40
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Solution
The fourth proportional to 403,442.40, 605,163.60 and 377,198.40 is: 565,797.60
Step by Step Solution
- Step 1: Write the proportion equation
403,442.40 : 605,163.60 = 377,198.40 : x - Step 2: Convert to fraction form
403,442.40/605,163.60 = 377,198.40/x - Step 3: Cross multiply
403,442.40x = 605,163.60 × 377,198.40 - Step 4: Simplify right side
403,442.40x = 228,266,741,658.24 - Step 5: Solve for x
x = 228,266,741,658.24/403,442.40 - Step 6: Final answer
x = 565,797.60
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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.