Finding the Fourth Proportional to 403,414.40, 603,566.40 and 263,446.40
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Solution
The fourth proportional to 403,414.40, 603,566.40 and 263,446.40 is: 394,153.99
Step by Step Solution
- Step 1: Write the proportion equation
403,414.40 : 603,566.40 = 263,446.40 : x - Step 2: Convert to fraction form
403,414.40/603,566.40 = 263,446.40/x - Step 3: Cross multiply
403,414.40x = 603,566.40 × 263,446.40 - Step 4: Simplify right side
403,414.40x = 159,007,395,240.96 - Step 5: Solve for x
x = 159,007,395,240.96/403,414.40 - Step 6: Final answer
x = 394,153.99
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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.