Finding the Fourth Proportional to 280,766.26, 421,440.99 and 162,668.26
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Solution
The fourth proportional to 280,766.26, 421,440.99 and 162,668.26 is: 244,171.34
Step by Step Solution
- Step 1: Write the proportion equation
280,766.26 : 421,440.99 = 162,668.26 : x - Step 2: Convert to fraction form
280,766.26/421,440.99 = 162,668.26/x - Step 3: Cross multiply
280,766.26x = 421,440.99 × 162,668.26 - Step 4: Simplify right side
280,766.26x = 68,555,072,535.98 - Step 5: Solve for x
x = 68,555,072,535.98/280,766.26 - Step 6: Final answer
x = 244,171.34
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1.5x scale
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.