Finding the Fourth Proportional to 263,244.18, 394,865.97 and 85,750.91
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Solution
The fourth proportional to 263,244.18, 394,865.97 and 85,750.91 is: 128,626.26
Step by Step Solution
- Step 1: Write the proportion equation
263,244.18 : 394,865.97 = 85,750.91 : x - Step 2: Convert to fraction form
263,244.18/394,865.97 = 85,750.91/x - Step 3: Cross multiply
263,244.18x = 394,865.97 × 85,750.91 - Step 4: Simplify right side
263,244.18x = 33,860,113,959.64 - Step 5: Solve for x
x = 33,860,113,959.64/263,244.18 - Step 6: Final answer
x = 128,626.26
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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.