Finding the Fourth Proportional to 892,145.98, 1,338,270.57 and 252,396.13
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Solution
The fourth proportional to 892,145.98, 1,338,270.57 and 252,396.13 is: 378,608.79
Step by Step Solution
- Step 1: Write the proportion equation
892,145.98 : 1,338,270.57 = 252,396.13 : x - Step 2: Convert to fraction form
892,145.98/1,338,270.57 = 252,396.13/x - Step 3: Cross multiply
892,145.98x = 1,338,270.57 × 252,396.13 - Step 4: Simplify right side
892,145.98x = 337,774,308,468.73 - Step 5: Solve for x
x = 337,774,308,468.73/892,145.98 - Step 6: Final answer
x = 378,608.79
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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.