Finding the Fourth Proportional to 236,178.26, 325,923.30 and 128,745.92
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Solution
The fourth proportional to 236,178.26, 325,923.30 and 128,745.92 is: 177,667.90
Step by Step Solution
- Step 1: Write the proportion equation
236,178.26 : 325,923.30 = 128,745.92 : x - Step 2: Convert to fraction form
236,178.26/325,923.30 = 128,745.92/x - Step 3: Cross multiply
236,178.26x = 325,923.30 × 128,745.92 - Step 4: Simplify right side
236,178.26x = 41,961,295,107.94 - Step 5: Solve for x
x = 41,961,295,107.94/236,178.26 - Step 6: Final answer
x = 177,667.90
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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.