Finding the Fourth Proportional to 201,436.80, 301,717.80 and 122,704.80
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Solution
The fourth proportional to 201,436.80, 301,717.80 and 122,704.80 is: 183,790.76
Step by Step Solution
- Step 1: Write the proportion equation
201,436.80 : 301,717.80 = 122,704.80 : x - Step 2: Convert to fraction form
201,436.80/301,717.80 = 122,704.80/x - Step 3: Cross multiply
201,436.80x = 301,717.80 × 122,704.80 - Step 4: Simplify right side
201,436.80x = 37,022,222,305.44 - Step 5: Solve for x
x = 37,022,222,305.44/201,436.80 - Step 6: Final answer
x = 183,790.76
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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.