Finding the Fourth Proportional to 226,395.76, 339,574.06 and 76,632.84
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Solution
The fourth proportional to 226,395.76, 339,574.06 and 76,632.84 is: 114,942.63
Step by Step Solution
- Step 1: Write the proportion equation
226,395.76 : 339,574.06 = 76,632.84 : x - Step 2: Convert to fraction form
226,395.76/339,574.06 = 76,632.84/x - Step 3: Cross multiply
226,395.76x = 339,574.06 × 76,632.84 - Step 4: Simplify right side
226,395.76x = 26,022,524,608.13 - Step 5: Solve for x
x = 26,022,524,608.13/226,395.76 - Step 6: Final answer
x = 114,942.63
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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.