Finding the Fourth Proportional to 213,036.26, 293,991.09 and 117,543.02
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Solution
The fourth proportional to 213,036.26, 293,991.09 and 117,543.02 is: 162,209.95
Step by Step Solution
- Step 1: Write the proportion equation
213,036.26 : 293,991.09 = 117,543.02 : x - Step 2: Convert to fraction form
213,036.26/293,991.09 = 117,543.02/x - Step 3: Cross multiply
213,036.26x = 293,991.09 × 117,543.02 - Step 4: Simplify right side
213,036.26x = 34,556,600,571.69 - Step 5: Solve for x
x = 34,556,600,571.69/213,036.26 - Step 6: Final answer
x = 162,209.95
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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.