Finding the Fourth Proportional to 422,339.26, 582,361.14 and 269,134.76
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Solution
The fourth proportional to 422,339.26, 582,361.14 and 269,134.76 is: 371,108.35
Step by Step Solution
- Step 1: Write the proportion equation
422,339.26 : 582,361.14 = 269,134.76 : x - Step 2: Convert to fraction form
422,339.26/582,361.14 = 269,134.76/x - Step 3: Cross multiply
422,339.26x = 582,361.14 × 269,134.76 - Step 4: Simplify right side
422,339.26x = 156,733,625,647.23 - Step 5: Solve for x
x = 156,733,625,647.23/422,339.26 - Step 6: Final answer
x = 371,108.35
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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.