Finding the Fourth Proportional to 225,163.24, 338,131.64 and 199,919.60
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Solution
The fourth proportional to 225,163.24, 338,131.64 and 199,919.60 is: 300,222.82
Step by Step Solution
- Step 1: Write the proportion equation
225,163.24 : 338,131.64 = 199,919.60 : x - Step 2: Convert to fraction form
225,163.24/338,131.64 = 199,919.60/x - Step 3: Cross multiply
225,163.24x = 338,131.64 × 199,919.60 - Step 4: Simplify right side
225,163.24x = 67,599,142,216.14 - Step 5: Solve for x
x = 67,599,142,216.14/225,163.24 - Step 6: Final answer
x = 300,222.82
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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.