Finding the Fourth Proportional to 419,855.94, 629,757.99 and 170,531.46
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Solution
The fourth proportional to 419,855.94, 629,757.99 and 170,531.46 is: 255,786.66
Step by Step Solution
- Step 1: Write the proportion equation
419,855.94 : 629,757.99 = 170,531.46 : x - Step 2: Convert to fraction form
419,855.94/629,757.99 = 170,531.46/x - Step 3: Cross multiply
419,855.94x = 629,757.99 × 170,531.46 - Step 4: Simplify right side
419,855.94x = 107,393,549,481.37 - Step 5: Solve for x
x = 107,393,549,481.37/419,855.94 - Step 6: Final answer
x = 255,786.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.