Finding the Fourth Proportional to 203,819.10, 305,739.30 and 61,660.80
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Solution
The fourth proportional to 203,819.10, 305,739.30 and 61,660.80 is: 92,494.42
Step by Step Solution
- Step 1: Write the proportion equation
203,819.10 : 305,739.30 = 61,660.80 : x - Step 2: Convert to fraction form
203,819.10/305,739.30 = 61,660.80/x - Step 3: Cross multiply
203,819.10x = 305,739.30 × 61,660.80 - Step 4: Simplify right side
203,819.10x = 18,852,129,829.44 - Step 5: Solve for x
x = 18,852,129,829.44/203,819.10 - Step 6: Final answer
x = 92,494.42
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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.