Finding the Fourth Proportional to 667,080.08, 920,571.11 and 361,156.68
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Solution
The fourth proportional to 667,080.08, 920,571.11 and 361,156.68 is: 498,396.54
Step by Step Solution
- Step 1: Write the proportion equation
667,080.08 : 920,571.11 = 361,156.68 : x - Step 2: Convert to fraction form
667,080.08/920,571.11 = 361,156.68/x - Step 3: Cross multiply
667,080.08x = 920,571.11 × 361,156.68 - Step 4: Simplify right side
667,080.08x = 332,470,405,791.52 - Step 5: Solve for x
x = 332,470,405,791.52/667,080.08 - Step 6: Final answer
x = 498,396.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.