Finding the Fourth Proportional to 325,720.62, 449,458.16 and 189,726.12
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Solution
The fourth proportional to 325,720.62, 449,458.16 and 189,726.12 is: 261,800.90
Step by Step Solution
- Step 1: Write the proportion equation
325,720.62 : 449,458.16 = 189,726.12 : x - Step 2: Convert to fraction form
325,720.62/449,458.16 = 189,726.12/x - Step 3: Cross multiply
325,720.62x = 449,458.16 × 189,726.12 - Step 4: Simplify right side
325,720.62x = 85,273,951,850.51 - Step 5: Solve for x
x = 85,273,951,850.51/325,720.62 - Step 6: Final answer
x = 261,800.90
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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.