Finding the Fourth Proportional to 146,198.21, 219,228.18 and 67,289.09
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Solution
The fourth proportional to 146,198.21, 219,228.18 and 67,289.09 is: 100,901.81
Step by Step Solution
- Step 1: Write the proportion equation
146,198.21 : 219,228.18 = 67,289.09 : x - Step 2: Convert to fraction form
146,198.21/219,228.18 = 67,289.09/x - Step 3: Cross multiply
146,198.21x = 219,228.18 × 67,289.09 - Step 4: Simplify right side
146,198.21x = 14,751,664,734.56 - Step 5: Solve for x
x = 14,751,664,734.56/146,198.21 - Step 6: Final answer
x = 100,901.81
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1.5x scale
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.