Finding the Fourth Proportional to 207,029.07, 310,609.21 and 73,906.38
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Solution
The fourth proportional to 207,029.07, 310,609.21 and 73,906.38 is: 110,882.99
Step by Step Solution
- Step 1: Write the proportion equation
207,029.07 : 310,609.21 = 73,906.38 : x - Step 2: Convert to fraction form
207,029.07/310,609.21 = 73,906.38/x - Step 3: Cross multiply
207,029.07x = 310,609.21 × 73,906.38 - Step 4: Simplify right side
207,029.07x = 22,956,000,752.71 - Step 5: Solve for x
x = 22,956,000,752.71/207,029.07 - Step 6: Final answer
x = 110,882.99
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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.