Finding the Fourth Proportional to 286,157.99, 394,817.82 and 178,837.04
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Solution
The fourth proportional to 286,157.99, 394,817.82 and 178,837.04 is: 246,744.99
Step by Step Solution
- Step 1: Write the proportion equation
286,157.99 : 394,817.82 = 178,837.04 : x - Step 2: Convert to fraction form
286,157.99/394,817.82 = 178,837.04/x - Step 3: Cross multiply
286,157.99x = 394,817.82 × 178,837.04 - Step 4: Simplify right side
286,157.99x = 70,608,050,268.05 - Step 5: Solve for x
x = 70,608,050,268.05/286,157.99 - Step 6: Final answer
x = 246,744.99
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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.