Finding the Fourth Proportional to 191,609.12, 264,407.94 and 115,082.75
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Solution
The fourth proportional to 191,609.12, 264,407.94 and 115,082.75 is: 158,806.60
Step by Step Solution
- Step 1: Write the proportion equation
191,609.12 : 264,407.94 = 115,082.75 : x - Step 2: Convert to fraction form
191,609.12/264,407.94 = 115,082.75/x - Step 3: Cross multiply
191,609.12x = 264,407.94 × 115,082.75 - Step 4: Simplify right side
191,609.12x = 30,428,793,518.05 - Step 5: Solve for x
x = 30,428,793,518.05/191,609.12 - Step 6: Final answer
x = 158,806.60
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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.