Finding the Fourth Proportional to 196,764.93, 271,534.34 and 111,881.99
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Solution
The fourth proportional to 196,764.93, 271,534.34 and 111,881.99 is: 154,396.42
Step by Step Solution
- Step 1: Write the proportion equation
196,764.93 : 271,534.34 = 111,881.99 : x - Step 2: Convert to fraction form
196,764.93/271,534.34 = 111,881.99/x - Step 3: Cross multiply
196,764.93x = 271,534.34 × 111,881.99 - Step 4: Simplify right side
196,764.93x = 30,379,800,395.46 - Step 5: Solve for x
x = 30,379,800,395.46/196,764.93 - Step 6: Final answer
x = 154,396.42
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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.