Finding the Fourth Proportional to 341,375.20, 471,261.60 and 198,112.08
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Solution
The fourth proportional to 341,375.20, 471,261.60 and 198,112.08 is: 273,489.74
Step by Step Solution
- Step 1: Write the proportion equation
341,375.20 : 471,261.60 = 198,112.08 : x - Step 2: Convert to fraction form
341,375.20/471,261.60 = 198,112.08/x - Step 3: Cross multiply
341,375.20x = 471,261.60 × 198,112.08 - Step 4: Simplify right side
341,375.20x = 93,362,615,800.13 - Step 5: Solve for x
x = 93,362,615,800.13/341,375.20 - Step 6: Final answer
x = 273,489.74
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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.