Finding the Fourth Proportional to 197,846.11, 273,027.88 and 107,202.05
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Solution
The fourth proportional to 197,846.11, 273,027.88 and 107,202.05 is: 147,938.96
Step by Step Solution
- Step 1: Write the proportion equation
197,846.11 : 273,027.88 = 107,202.05 : x - Step 2: Convert to fraction form
197,846.11/273,027.88 = 107,202.05/x - Step 3: Cross multiply
197,846.11x = 273,027.88 × 107,202.05 - Step 4: Simplify right side
197,846.11x = 29,269,148,235.87 - Step 5: Solve for x
x = 29,269,148,235.87/197,846.11 - Step 6: Final answer
x = 147,938.96
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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.