Finding the Fourth Proportional to 404,102.20, 606,226.20 and 203,918.80
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Solution
The fourth proportional to 404,102.20, 606,226.20 and 203,918.80 is: 305,914.99
Step by Step Solution
- Step 1: Write the proportion equation
404,102.20 : 606,226.20 = 203,918.80 : x - Step 2: Convert to fraction form
404,102.20/606,226.20 = 203,918.80/x - Step 3: Cross multiply
404,102.20x = 606,226.20 × 203,918.80 - Step 4: Simplify right side
404,102.20x = 123,620,919,232.56 - Step 5: Solve for x
x = 123,620,919,232.56/404,102.20 - Step 6: Final answer
x = 305,914.99
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1.5x scale
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.