Finding the Fourth Proportional to 207,890.92, 311,698.14 and 114,440.68
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Solution
The fourth proportional to 207,890.92, 311,698.14 and 114,440.68 is: 171,584.92
Step by Step Solution
- Step 1: Write the proportion equation
207,890.92 : 311,698.14 = 114,440.68 : x - Step 2: Convert to fraction form
207,890.92/311,698.14 = 114,440.68/x - Step 3: Cross multiply
207,890.92x = 311,698.14 × 114,440.68 - Step 4: Simplify right side
207,890.92x = 35,670,947,096.34 - Step 5: Solve for x
x = 35,670,947,096.34/207,890.92 - Step 6: Final answer
x = 171,584.92
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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.