Finding the Fourth Proportional to 202,163.20, 302,661.60 and 202,163.20
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Solution
The fourth proportional to 202,163.20, 302,661.60 and 202,163.20 is: 302,661.60
Step by Step Solution
- Step 1: Write the proportion equation
202,163.20 : 302,661.60 = 202,163.20 : x - Step 2: Convert to fraction form
202,163.20/302,661.60 = 202,163.20/x - Step 3: Cross multiply
202,163.20x = 302,661.60 × 202,163.20 - Step 4: Simplify right side
202,163.20x = 61,187,037,573.12 - Step 5: Solve for x
x = 61,187,037,573.12/202,163.20 - Step 6: Final answer
x = 302,661.60
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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.