Finding the Fourth Proportional to 220,632.81, 331,126.55 and 114,047.99
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Solution
The fourth proportional to 220,632.81, 331,126.55 and 114,047.99 is: 171,163.64
Step by Step Solution
- Step 1: Write the proportion equation
220,632.81 : 331,126.55 = 114,047.99 : x - Step 2: Convert to fraction form
220,632.81/331,126.55 = 114,047.99/x - Step 3: Cross multiply
220,632.81x = 331,126.55 × 114,047.99 - Step 4: Simplify right side
220,632.81x = 37,764,315,237.26 - Step 5: Solve for x
x = 37,764,315,237.26/220,632.81 - Step 6: Final answer
x = 171,163.64
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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.