Finding the Fourth Proportional to 395,729.44, 546,105.36 and 214,442.08
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Solution
The fourth proportional to 395,729.44, 546,105.36 and 214,442.08 is: 295,929.38
Step by Step Solution
- Step 1: Write the proportion equation
395,729.44 : 546,105.36 = 214,442.08 : x - Step 2: Convert to fraction form
395,729.44/546,105.36 = 214,442.08/x - Step 3: Cross multiply
395,729.44x = 546,105.36 × 214,442.08 - Step 4: Simplify right side
395,729.44x = 117,107,969,297.55 - Step 5: Solve for x
x = 117,107,969,297.55/395,729.44 - Step 6: Final answer
x = 295,929.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.