Finding the Fourth Proportional to 193,971.60, 267,640.70 and 113,383.53
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Solution
The fourth proportional to 193,971.60, 267,640.70 and 113,383.53 is: 156,445.82
Step by Step Solution
- Step 1: Write the proportion equation
193,971.60 : 267,640.70 = 113,383.53 : x - Step 2: Convert to fraction form
193,971.60/267,640.70 = 113,383.53/x - Step 3: Cross multiply
193,971.60x = 267,640.70 × 113,383.53 - Step 4: Simplify right side
193,971.60x = 30,346,046,770.75 - Step 5: Solve for x
x = 30,346,046,770.75/193,971.60 - Step 6: Final answer
x = 156,445.82
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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.