Finding the Fourth Proportional to 505,144.64, 757,841.68 and 150,157.12
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Solution
The fourth proportional to 505,144.64, 757,841.68 and 150,157.12 is: 225,272.75
Step by Step Solution
- Step 1: Write the proportion equation
505,144.64 : 757,841.68 = 150,157.12 : x - Step 2: Convert to fraction form
505,144.64/757,841.68 = 150,157.12/x - Step 3: Cross multiply
505,144.64x = 757,841.68 × 150,157.12 - Step 4: Simplify right side
505,144.64x = 113,795,324,084.76 - Step 5: Solve for x
x = 113,795,324,084.76/505,144.64 - Step 6: Final answer
x = 225,272.75
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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.