Finding the Fourth Proportional to 211,934.44, 292,464.83 and 115,135.80
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Solution
The fourth proportional to 211,934.44, 292,464.83 and 115,135.80 is: 158,884.84
Step by Step Solution
- Step 1: Write the proportion equation
211,934.44 : 292,464.83 = 115,135.80 : x - Step 2: Convert to fraction form
211,934.44/292,464.83 = 115,135.80/x - Step 3: Cross multiply
211,934.44x = 292,464.83 × 115,135.80 - Step 4: Simplify right side
211,934.44x = 33,673,170,717.37 - Step 5: Solve for x
x = 33,673,170,717.37/211,934.44 - Step 6: Final answer
x = 158,884.84
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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.