Finding the Fourth Proportional to 325,986.68, 488,880.48 and 225,431.12
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Solution
The fourth proportional to 325,986.68, 488,880.48 and 225,431.12 is: 338,077.84
Step by Step Solution
- Step 1: Write the proportion equation
325,986.68 : 488,880.48 = 225,431.12 : x - Step 2: Convert to fraction form
325,986.68/488,880.48 = 225,431.12/x - Step 3: Cross multiply
325,986.68x = 488,880.48 × 225,431.12 - Step 4: Simplify right side
325,986.68x = 110,208,874,152.54 - Step 5: Solve for x
x = 110,208,874,152.54/325,986.68 - Step 6: Final answer
x = 338,077.84
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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.