Finding the Fourth Proportional to 294,163.63, 405,723.40 and 203,671.07
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Solution
The fourth proportional to 294,163.63, 405,723.40 and 203,671.07 is: 280,912.08
Step by Step Solution
- Step 1: Write the proportion equation
294,163.63 : 405,723.40 = 203,671.07 : x - Step 2: Convert to fraction form
294,163.63/405,723.40 = 203,671.07/x - Step 3: Cross multiply
294,163.63x = 405,723.40 × 203,671.07 - Step 4: Simplify right side
294,163.63x = 82,634,117,983.68 - Step 5: Solve for x
x = 82,634,117,983.68/294,163.63 - Step 6: Final answer
x = 280,912.08
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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.