Finding the Fourth Proportional to 481,793.05, 664,879.76 and 266,936.50
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Solution
The fourth proportional to 481,793.05, 664,879.76 and 266,936.50 is: 368,375.33
Step by Step Solution
- Step 1: Write the proportion equation
481,793.05 : 664,879.76 = 266,936.50 : x - Step 2: Convert to fraction form
481,793.05/664,879.76 = 266,936.50/x - Step 3: Cross multiply
481,793.05x = 664,879.76 × 266,936.50 - Step 4: Simplify right side
481,793.05x = 177,480,676,055.24 - Step 5: Solve for x
x = 177,480,676,055.24/481,793.05 - Step 6: Final answer
x = 368,375.33
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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.