Finding the Fourth Proportional to 138,025.44, 206,993.84 and 44,509.28
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Solution
The fourth proportional to 138,025.44, 206,993.84 and 44,509.28 is: 66,749.63
Step by Step Solution
- Step 1: Write the proportion equation
138,025.44 : 206,993.84 = 44,509.28 : x - Step 2: Convert to fraction form
138,025.44/206,993.84 = 44,509.28/x - Step 3: Cross multiply
138,025.44x = 206,993.84 × 44,509.28 - Step 4: Simplify right side
138,025.44x = 9,213,146,782.84 - Step 5: Solve for x
x = 9,213,146,782.84/138,025.44 - Step 6: Final answer
x = 66,749.63
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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.