Finding the Fourth Proportional to 211,844.24, 292,223.01 and 126,912.09
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Solution
The fourth proportional to 211,844.24, 292,223.01 and 126,912.09 is: 175,065.57
Step by Step Solution
- Step 1: Write the proportion equation
211,844.24 : 292,223.01 = 126,912.09 : x - Step 2: Convert to fraction form
211,844.24/292,223.01 = 126,912.09/x - Step 3: Cross multiply
211,844.24x = 292,223.01 × 126,912.09 - Step 4: Simplify right side
211,844.24x = 37,086,632,310.63 - Step 5: Solve for x
x = 37,086,632,310.63/211,844.24 - Step 6: Final answer
x = 175,065.57
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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.