Finding the Fourth Proportional to 325,495.21, 488,312.52 and 100,850.68
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Solution
The fourth proportional to 325,495.21, 488,312.52 and 100,850.68 is: 151,297.62
Step by Step Solution
- Step 1: Write the proportion equation
325,495.21 : 488,312.52 = 100,850.68 : x - Step 2: Convert to fraction form
325,495.21/488,312.52 = 100,850.68/x - Step 3: Cross multiply
325,495.21x = 488,312.52 × 100,850.68 - Step 4: Simplify right side
325,495.21x = 49,246,649,694.51 - Step 5: Solve for x
x = 49,246,649,694.51/325,495.21 - Step 6: Final answer
x = 151,297.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.