Finding the Fourth Proportional to 150,523.06, 225,919.95 and 80,462.26
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Solution
The fourth proportional to 150,523.06, 225,919.95 and 80,462.26 is: 120,765.75
Step by Step Solution
- Step 1: Write the proportion equation
150,523.06 : 225,919.95 = 80,462.26 : x - Step 2: Convert to fraction form
150,523.06/225,919.95 = 80,462.26/x - Step 3: Cross multiply
150,523.06x = 225,919.95 × 80,462.26 - Step 4: Simplify right side
150,523.06x = 18,178,029,756.09 - Step 5: Solve for x
x = 18,178,029,756.09/150,523.06 - Step 6: Final answer
x = 120,765.75
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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.