Finding the Fourth Proportional to 419,708.80, 629,563.20 and 376,163.20
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Solution
The fourth proportional to 419,708.80, 629,563.20 and 376,163.20 is: 564,244.80
Step by Step Solution
- Step 1: Write the proportion equation
419,708.80 : 629,563.20 = 376,163.20 : x - Step 2: Convert to fraction form
419,708.80/629,563.20 = 376,163.20/x - Step 3: Cross multiply
419,708.80x = 629,563.20 × 376,163.20 - Step 4: Simplify right side
419,708.80x = 236,818,507,914.24 - Step 5: Solve for x
x = 236,818,507,914.24/419,708.80 - Step 6: Final answer
x = 564,244.80
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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.