Finding the Fourth Proportional to 120,525.53, 180,762.35 and 49,378.41
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Solution
The fourth proportional to 120,525.53, 180,762.35 and 49,378.41 is: 74,056.99
Step by Step Solution
- Step 1: Write the proportion equation
120,525.53 : 180,762.35 = 49,378.41 : x - Step 2: Convert to fraction form
120,525.53/180,762.35 = 49,378.41/x - Step 3: Cross multiply
120,525.53x = 180,762.35 × 49,378.41 - Step 4: Simplify right side
120,525.53x = 8,925,757,183.97 - Step 5: Solve for x
x = 8,925,757,183.97/120,525.53 - Step 6: Final answer
x = 74,056.99
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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.