Finding the Fourth Proportional to 326,620.90, 450,786.09 and 199,370.26
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Solution
The fourth proportional to 326,620.90, 450,786.09 and 199,370.26 is: 275,161.02
Step by Step Solution
- Step 1: Write the proportion equation
326,620.90 : 450,786.09 = 199,370.26 : x - Step 2: Convert to fraction form
326,620.90/450,786.09 = 199,370.26/x - Step 3: Cross multiply
326,620.90x = 450,786.09 × 199,370.26 - Step 4: Simplify right side
326,620.90x = 89,873,339,967.68 - Step 5: Solve for x
x = 89,873,339,967.68/326,620.90 - Step 6: Final answer
x = 275,161.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.