Finding the Fourth Proportional to 325,613.13, 488,960.97 and 219,678.60
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Solution
The fourth proportional to 325,613.13, 488,960.97 and 219,678.60 is: 329,883.08
Step by Step Solution
- Step 1: Write the proportion equation
325,613.13 : 488,960.97 = 219,678.60 : x - Step 2: Convert to fraction form
325,613.13/488,960.97 = 219,678.60/x - Step 3: Cross multiply
325,613.13x = 488,960.97 × 219,678.60 - Step 4: Simplify right side
325,613.13x = 107,414,261,344.24 - Step 5: Solve for x
x = 107,414,261,344.24/325,613.13 - Step 6: Final answer
x = 329,883.08
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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.