Finding the Fourth Proportional to 197,446.12, 272,481.90 and 108,022.12
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Solution
The fourth proportional to 197,446.12, 272,481.90 and 108,022.12 is: 149,073.95
Step by Step Solution
- Step 1: Write the proportion equation
197,446.12 : 272,481.90 = 108,022.12 : x - Step 2: Convert to fraction form
197,446.12/272,481.90 = 108,022.12/x - Step 3: Cross multiply
197,446.12x = 272,481.90 × 108,022.12 - Step 4: Simplify right side
197,446.12x = 29,434,072,499.63 - Step 5: Solve for x
x = 29,434,072,499.63/197,446.12 - Step 6: Final answer
x = 149,073.95
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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.