Finding the Fourth Proportional to 196,635.12, 295,350.12 and 117,898.80
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Solution
The fourth proportional to 196,635.12, 295,350.12 and 117,898.80 is: 177,086.50
Step by Step Solution
- Step 1: Write the proportion equation
196,635.12 : 295,350.12 = 117,898.80 : x - Step 2: Convert to fraction form
196,635.12/295,350.12 = 117,898.80/x - Step 3: Cross multiply
196,635.12x = 295,350.12 × 117,898.80 - Step 4: Simplify right side
196,635.12x = 34,821,424,727.86 - Step 5: Solve for x
x = 34,821,424,727.86/196,635.12 - Step 6: Final answer
x = 177,086.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.