Finding the Fourth Proportional to 213,163.08, 294,149.10 and 122,519.28
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Solution
The fourth proportional to 213,163.08, 294,149.10 and 122,519.28 is: 169,067.44
Step by Step Solution
- Step 1: Write the proportion equation
213,163.08 : 294,149.10 = 122,519.28 : x - Step 2: Convert to fraction form
213,163.08/294,149.10 = 122,519.28/x - Step 3: Cross multiply
213,163.08x = 294,149.10 × 122,519.28 - Step 4: Simplify right side
213,163.08x = 36,038,935,944.65 - Step 5: Solve for x
x = 36,038,935,944.65/213,163.08 - Step 6: Final answer
x = 169,067.44
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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.