Finding the Fourth Proportional to 481,790.93, 664,843.70 and 266,918.18
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Solution
The fourth proportional to 481,790.93, 664,843.70 and 266,918.18 is: 368,331.69
Step by Step Solution
- Step 1: Write the proportion equation
481,790.93 : 664,843.70 = 266,918.18 : x - Step 2: Convert to fraction form
481,790.93/664,843.70 = 266,918.18/x - Step 3: Cross multiply
481,790.93x = 664,843.70 × 266,918.18 - Step 4: Simplify right side
481,790.93x = 177,458,865,729.66 - Step 5: Solve for x
x = 177,458,865,729.66/481,790.93 - Step 6: Final answer
x = 368,331.69
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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.