Finding the Fourth Proportional to 239,777.99, 331,013.39 and 149,163.40
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Solution
The fourth proportional to 239,777.99, 331,013.39 and 149,163.40 is: 205,920.00
Step by Step Solution
- Step 1: Write the proportion equation
239,777.99 : 331,013.39 = 149,163.40 : x - Step 2: Convert to fraction form
239,777.99/331,013.39 = 149,163.40/x - Step 3: Cross multiply
239,777.99x = 331,013.39 × 149,163.40 - Step 4: Simplify right side
239,777.99x = 49,375,082,697.93 - Step 5: Solve for x
x = 49,375,082,697.93/239,777.99 - Step 6: Final answer
x = 205,920.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.