Finding the Fourth Proportional to 405,170.94, 559,213.26 and 267,107.62
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Solution
The fourth proportional to 405,170.94, 559,213.26 and 267,107.62 is: 368,659.52
Step by Step Solution
- Step 1: Write the proportion equation
405,170.94 : 559,213.26 = 267,107.62 : x - Step 2: Convert to fraction form
405,170.94/559,213.26 = 267,107.62/x - Step 3: Cross multiply
405,170.94x = 559,213.26 × 267,107.62 - Step 4: Simplify right side
405,170.94x = 149,370,122,951.04 - Step 5: Solve for x
x = 149,370,122,951.04/405,170.94 - Step 6: Final answer
x = 368,659.52
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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.