Finding the Fourth Proportional to 211,601.26, 292,009.69 and 120,959.19
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Solution
The fourth proportional to 211,601.26, 292,009.69 and 120,959.19 is: 166,923.65
Step by Step Solution
- Step 1: Write the proportion equation
211,601.26 : 292,009.69 = 120,959.19 : x - Step 2: Convert to fraction form
211,601.26/292,009.69 = 120,959.19/x - Step 3: Cross multiply
211,601.26x = 292,009.69 × 120,959.19 - Step 4: Simplify right side
211,601.26x = 35,321,255,725.75 - Step 5: Solve for x
x = 35,321,255,725.75/211,601.26 - Step 6: Final answer
x = 166,923.65
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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.