Finding the Fourth Proportional to 150,290.85, 225,336.24 and 90,183.99
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Solution
The fourth proportional to 150,290.85, 225,336.24 and 90,183.99 is: 135,215.96
Step by Step Solution
- Step 1: Write the proportion equation
150,290.85 : 225,336.24 = 90,183.99 : x - Step 2: Convert to fraction form
150,290.85/225,336.24 = 90,183.99/x - Step 3: Cross multiply
150,290.85x = 225,336.24 × 90,183.99 - Step 4: Simplify right side
150,290.85x = 20,321,721,214.80 - Step 5: Solve for x
x = 20,321,721,214.80/150,290.85 - Step 6: Final answer
x = 135,215.96
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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.