Finding the Fourth Proportional to 207,240.26, 310,911.42 and 66,998.90
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Solution
The fourth proportional to 207,240.26, 310,911.42 and 66,998.90 is: 100,514.85
Step by Step Solution
- Step 1: Write the proportion equation
207,240.26 : 310,911.42 = 66,998.90 : x - Step 2: Convert to fraction form
207,240.26/310,911.42 = 66,998.90/x - Step 3: Cross multiply
207,240.26x = 310,911.42 × 66,998.90 - Step 4: Simplify right side
207,240.26x = 20,830,723,137.44 - Step 5: Solve for x
x = 20,830,723,137.44/207,240.26 - Step 6: Final answer
x = 100,514.85
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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.