Finding the Fourth Proportional to 325,605.26, 449,336.63 and 189,732.41
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Solution
The fourth proportional to 325,605.26, 449,336.63 and 189,732.41 is: 261,831.52
Step by Step Solution
- Step 1: Write the proportion equation
325,605.26 : 449,336.63 = 189,732.41 : x - Step 2: Convert to fraction form
325,605.26/449,336.63 = 189,732.41/x - Step 3: Cross multiply
325,605.26x = 449,336.63 × 189,732.41 - Step 4: Simplify right side
325,605.26x = 85,253,721,711.18 - Step 5: Solve for x
x = 85,253,721,711.18/325,605.26 - Step 6: Final answer
x = 261,831.52
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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.