Finding the Fourth Proportional to 481,631.22, 664,642.26 and 266,770.62
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Solution
The fourth proportional to 481,631.22, 664,642.26 and 266,770.62 is: 368,138.57
Step by Step Solution
- Step 1: Write the proportion equation
481,631.22 : 664,642.26 = 266,770.62 : x - Step 2: Convert to fraction form
481,631.22/664,642.26 = 266,770.62/x - Step 3: Cross multiply
481,631.22x = 664,642.26 × 266,770.62 - Step 4: Simplify right side
481,631.22x = 177,307,027,778.40 - Step 5: Solve for x
x = 177,307,027,778.40/481,631.22 - Step 6: Final answer
x = 368,138.57
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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.