Finding the Fourth Proportional to 751,453, 1,127,245.11 and 190,487.50
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Solution
The fourth proportional to 751,453, 1,127,245.11 and 190,487.50 is: 285,747.88
Step by Step Solution
- Step 1: Write the proportion equation
751,453 : 1,127,245.11 = 190,487.50 : x - Step 2: Convert to fraction form
751,453/1,127,245.11 = 190,487.50/x - Step 3: Cross multiply
751,453x = 1,127,245.11 × 190,487.50 - Step 4: Simplify right side
751,453x = 214,726,102,891.13 - Step 5: Solve for x
x = 214,726,102,891.13/751,453 - Step 6: Final answer
x = 285,747.88
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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.