Finding the Fourth Proportional to 481,651.09, 664,700.39 and 266,791.13
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Solution
The fourth proportional to 481,651.09, 664,700.39 and 266,791.13 is: 368,183.88
Step by Step Solution
- Step 1: Write the proportion equation
481,651.09 : 664,700.39 = 266,791.13 : x - Step 2: Convert to fraction form
481,651.09/664,700.39 = 266,791.13/x - Step 3: Cross multiply
481,651.09x = 664,700.39 × 266,791.13 - Step 4: Simplify right side
481,651.09x = 177,336,169,487.80 - Step 5: Solve for x
x = 177,336,169,487.80/481,651.09 - Step 6: Final answer
x = 368,183.88
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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.