Finding the Fourth Proportional to 195,260.63, 269,382.65 and 122,620.79
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Solution
The fourth proportional to 195,260.63, 269,382.65 and 122,620.79 is: 169,168.33
Step by Step Solution
- Step 1: Write the proportion equation
195,260.63 : 269,382.65 = 122,620.79 : x - Step 2: Convert to fraction form
195,260.63/269,382.65 = 122,620.79/x - Step 3: Cross multiply
195,260.63x = 269,382.65 × 122,620.79 - Step 4: Simplify right side
195,260.63x = 33,031,913,415.65 - Step 5: Solve for x
x = 33,031,913,415.65/195,260.63 - Step 6: Final answer
x = 169,168.33
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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.