Finding the Fourth Proportional to 420,193.44, 629,765.22 and 270,034.08
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Solution
The fourth proportional to 420,193.44, 629,765.22 and 270,034.08 is: 404,713.77
Step by Step Solution
- Step 1: Write the proportion equation
420,193.44 : 629,765.22 = 270,034.08 : x - Step 2: Convert to fraction form
420,193.44/629,765.22 = 270,034.08/x - Step 3: Cross multiply
420,193.44x = 629,765.22 × 270,034.08 - Step 4: Simplify right side
420,193.44x = 170,058,071,798.70 - Step 5: Solve for x
x = 170,058,071,798.70/420,193.44 - Step 6: Final answer
x = 404,713.77
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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.