Finding the Fourth Proportional to 227,013.21, 313,250.81 and 130,212.09
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Solution
The fourth proportional to 227,013.21, 313,250.81 and 130,212.09 is: 179,676.95
Step by Step Solution
- Step 1: Write the proportion equation
227,013.21 : 313,250.81 = 130,212.09 : x - Step 2: Convert to fraction form
227,013.21/313,250.81 = 130,212.09/x - Step 3: Cross multiply
227,013.21x = 313,250.81 × 130,212.09 - Step 4: Simplify right side
227,013.21x = 40,789,042,013.23 - Step 5: Solve for x
x = 40,789,042,013.23/227,013.21 - Step 6: Final answer
x = 179,676.95
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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.