Finding the Fourth Proportional to 326,632.63, 489,979.86 and 126,968.44
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Solution
The fourth proportional to 326,632.63, 489,979.86 and 126,968.44 is: 190,464.68
Step by Step Solution
- Step 1: Write the proportion equation
326,632.63 : 489,979.86 = 126,968.44 : x - Step 2: Convert to fraction form
326,632.63/489,979.86 = 126,968.44/x - Step 3: Cross multiply
326,632.63x = 489,979.86 × 126,968.44 - Step 4: Simplify right side
326,632.63x = 62,211,978,455.62 - Step 5: Solve for x
x = 62,211,978,455.62/326,632.63 - Step 6: Final answer
x = 190,464.68
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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.