Finding the Fourth Proportional to 242,759.20, 364,138.80 and 201,287.20
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Solution
The fourth proportional to 242,759.20, 364,138.80 and 201,287.20 is: 301,930.80
Step by Step Solution
- Step 1: Write the proportion equation
242,759.20 : 364,138.80 = 201,287.20 : x - Step 2: Convert to fraction form
242,759.20/364,138.80 = 201,287.20/x - Step 3: Cross multiply
242,759.20x = 364,138.80 × 201,287.20 - Step 4: Simplify right side
242,759.20x = 73,296,479,463.36 - Step 5: Solve for x
x = 73,296,479,463.36/242,759.20 - Step 6: Final answer
x = 301,930.80
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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.