Finding the Fourth Proportional to 226,697.69, 312,842.79 and 124,720.97
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Solution
The fourth proportional to 226,697.69, 312,842.79 and 124,720.97 is: 172,114.92
Step by Step Solution
- Step 1: Write the proportion equation
226,697.69 : 312,842.79 = 124,720.97 : x - Step 2: Convert to fraction form
226,697.69/312,842.79 = 124,720.97/x - Step 3: Cross multiply
226,697.69x = 312,842.79 × 124,720.97 - Step 4: Simplify right side
226,697.69x = 39,018,054,662.09 - Step 5: Solve for x
x = 39,018,054,662.09/226,697.69 - Step 6: Final answer
x = 172,114.92
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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.