Finding the Fourth Proportional to 343,662.15, 515,540.09 and 199,635.65
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Solution
The fourth proportional to 343,662.15, 515,540.09 and 199,635.65 is: 299,480.70
Step by Step Solution
- Step 1: Write the proportion equation
343,662.15 : 515,540.09 = 199,635.65 : x - Step 2: Convert to fraction form
343,662.15/515,540.09 = 199,635.65/x - Step 3: Cross multiply
343,662.15x = 515,540.09 × 199,635.65 - Step 4: Simplify right side
343,662.15x = 102,920,180,968.21 - Step 5: Solve for x
x = 102,920,180,968.21/343,662.15 - Step 6: Final answer
x = 299,480.70
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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.