Finding the Fourth Proportional to 203,819.44, 305,739.79 and 61,661.12
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Solution
The fourth proportional to 203,819.44, 305,739.79 and 61,661.12 is: 92,494.90
Step by Step Solution
- Step 1: Write the proportion equation
203,819.44 : 305,739.79 = 61,661.12 : x - Step 2: Convert to fraction form
203,819.44/305,739.79 = 61,661.12/x - Step 3: Cross multiply
203,819.44x = 305,739.79 × 61,661.12 - Step 4: Simplify right side
203,819.44x = 18,852,258,950.21 - Step 5: Solve for x
x = 18,852,258,950.21/203,819.44 - Step 6: Final answer
x = 92,494.90
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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.