Finding the Fourth Proportional to 215,752.22, 323,403.74 and 120,843.26
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Solution
The fourth proportional to 215,752.22, 323,403.74 and 120,843.26 is: 181,139.09
Step by Step Solution
- Step 1: Write the proportion equation
215,752.22 : 323,403.74 = 120,843.26 : x - Step 2: Convert to fraction form
215,752.22/323,403.74 = 120,843.26/x - Step 3: Cross multiply
215,752.22x = 323,403.74 × 120,843.26 - Step 4: Simplify right side
215,752.22x = 39,081,160,922.88 - Step 5: Solve for x
x = 39,081,160,922.88/215,752.22 - Step 6: Final answer
x = 181,139.09
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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.