Finding the Fourth Proportional to 221,201.44, 331,803.41 and 54,989.44
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Solution
The fourth proportional to 221,201.44, 331,803.41 and 54,989.44 is: 82,484.47
Step by Step Solution
- Step 1: Write the proportion equation
221,201.44 : 331,803.41 = 54,989.44 : x - Step 2: Convert to fraction form
221,201.44/331,803.41 = 54,989.44/x - Step 3: Cross multiply
221,201.44x = 331,803.41 × 54,989.44 - Step 4: Simplify right side
221,201.44x = 18,245,682,601.53 - Step 5: Solve for x
x = 18,245,682,601.53/221,201.44 - Step 6: Final answer
x = 82,484.47
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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.