Finding the Fourth Proportional to 213,930.73, 295,213.16 and 117,116.02
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Solution
The fourth proportional to 213,930.73, 295,213.16 and 117,116.02 is: 161,613.95
Step by Step Solution
- Step 1: Write the proportion equation
213,930.73 : 295,213.16 = 117,116.02 : x - Step 2: Convert to fraction form
213,930.73/295,213.16 = 117,116.02/x - Step 3: Cross multiply
213,930.73x = 295,213.16 × 117,116.02 - Step 4: Simplify right side
213,930.73x = 34,574,189,765.24 - Step 5: Solve for x
x = 34,574,189,765.24/213,930.73 - Step 6: Final answer
x = 161,613.95
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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.