Finding the Fourth Proportional to 416,236.96, 574,432.96 and 234,979.60
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Solution
The fourth proportional to 416,236.96, 574,432.96 and 234,979.60 is: 324,286.50
Step by Step Solution
- Step 1: Write the proportion equation
416,236.96 : 574,432.96 = 234,979.60 : x - Step 2: Convert to fraction form
416,236.96/574,432.96 = 234,979.60/x - Step 3: Cross multiply
416,236.96x = 574,432.96 × 234,979.60 - Step 4: Simplify right side
416,236.96x = 134,980,027,167.62 - Step 5: Solve for x
x = 134,980,027,167.62/416,236.96 - Step 6: Final answer
x = 324,286.50
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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.