Finding the Fourth Proportional to 227,137.61, 313,463.80 and 125,163.09
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Solution
The fourth proportional to 227,137.61, 313,463.80 and 125,163.09 is: 172,732.72
Step by Step Solution
- Step 1: Write the proportion equation
227,137.61 : 313,463.80 = 125,163.09 : x - Step 2: Convert to fraction form
227,137.61/313,463.80 = 125,163.09/x - Step 3: Cross multiply
227,137.61x = 313,463.80 × 125,163.09 - Step 4: Simplify right side
227,137.61x = 39,234,097,498.23 - Step 5: Solve for x
x = 39,234,097,498.23/227,137.61 - Step 6: Final answer
x = 172,732.72
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1.5x scale
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.