Finding the Fourth Proportional to 280,201.26, 420,153.36 and 122,245.19
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Solution
The fourth proportional to 280,201.26, 420,153.36 and 122,245.19 is: 183,302.98
Step by Step Solution
- Step 1: Write the proportion equation
280,201.26 : 420,153.36 = 122,245.19 : x - Step 2: Convert to fraction form
280,201.26/420,153.36 = 122,245.19/x - Step 3: Cross multiply
280,201.26x = 420,153.36 × 122,245.19 - Step 4: Simplify right side
280,201.26x = 51,361,727,322.34 - Step 5: Solve for x
x = 51,361,727,322.34/280,201.26 - Step 6: Final answer
x = 183,302.98
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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.