Finding the Fourth Proportional to 325,862.26, 449,605.49 and 196,698.65
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Solution
The fourth proportional to 325,862.26, 449,605.49 and 196,698.65 is: 271,393.17
Step by Step Solution
- Step 1: Write the proportion equation
325,862.26 : 449,605.49 = 196,698.65 : x - Step 2: Convert to fraction form
325,862.26/449,605.49 = 196,698.65/x - Step 3: Cross multiply
325,862.26x = 449,605.49 × 196,698.65 - Step 4: Simplify right side
325,862.26x = 88,436,789,684.07 - Step 5: Solve for x
x = 88,436,789,684.07/325,862.26 - Step 6: Final answer
x = 271,393.17
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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.