Finding the Fourth Proportional to 262,832.64, 393,986.93 and 111,067.99
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Solution
The fourth proportional to 262,832.64, 393,986.93 and 111,067.99 is: 166,491.26
Step by Step Solution
- Step 1: Write the proportion equation
262,832.64 : 393,986.93 = 111,067.99 : x - Step 2: Convert to fraction form
262,832.64/393,986.93 = 111,067.99/x - Step 3: Cross multiply
262,832.64x = 393,986.93 × 111,067.99 - Step 4: Simplify right side
262,832.64x = 43,759,336,401.37 - Step 5: Solve for x
x = 43,759,336,401.37/262,832.64 - Step 6: Final answer
x = 166,491.26
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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.