Finding the Fourth Proportional to 397,505.08, 548,507.11 and 268,723.68
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Solution
The fourth proportional to 397,505.08, 548,507.11 and 268,723.68 is: 370,804.95
Step by Step Solution
- Step 1: Write the proportion equation
397,505.08 : 548,507.11 = 268,723.68 : x - Step 2: Convert to fraction form
397,505.08/548,507.11 = 268,723.68/x - Step 3: Cross multiply
397,505.08x = 548,507.11 × 268,723.68 - Step 4: Simplify right side
397,505.08x = 147,396,847,761.75 - Step 5: Solve for x
x = 147,396,847,761.75/397,505.08 - Step 6: Final answer
x = 370,804.95
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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.