Finding the Fourth Proportional to 196,539.48, 271,231.74 and 111,670.92
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Solution
The fourth proportional to 196,539.48, 271,231.74 and 111,670.92 is: 154,109.99
Step by Step Solution
- Step 1: Write the proportion equation
196,539.48 : 271,231.74 = 111,670.92 : x - Step 2: Convert to fraction form
196,539.48/271,231.74 = 111,670.92/x - Step 3: Cross multiply
196,539.48x = 271,231.74 × 111,670.92 - Step 4: Simplify right side
196,539.48x = 30,288,697,939.00 - Step 5: Solve for x
x = 30,288,697,939.00/196,539.48 - Step 6: Final answer
x = 154,109.99
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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.