Finding the Fourth Proportional to 196,958.08, 271,798.44 and 120,471.55
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Solution
The fourth proportional to 196,958.08, 271,798.44 and 120,471.55 is: 166,248.47
Step by Step Solution
- Step 1: Write the proportion equation
196,958.08 : 271,798.44 = 120,471.55 : x - Step 2: Convert to fraction form
196,958.08/271,798.44 = 120,471.55/x - Step 3: Cross multiply
196,958.08x = 271,798.44 × 120,471.55 - Step 4: Simplify right side
196,958.08x = 32,743,979,751.98 - Step 5: Solve for x
x = 32,743,979,751.98/196,958.08 - Step 6: Final answer
x = 166,248.47
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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.