Finding the Fourth Proportional to 213,131.44, 294,118.86 and 117,636.09
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Solution
The fourth proportional to 213,131.44, 294,118.86 and 117,636.09 is: 162,336.41
Step by Step Solution
- Step 1: Write the proportion equation
213,131.44 : 294,118.86 = 117,636.09 : x - Step 2: Convert to fraction form
213,131.44/294,118.86 = 117,636.09/x - Step 3: Cross multiply
213,131.44x = 294,118.86 × 117,636.09 - Step 4: Simplify right side
213,131.44x = 34,598,992,685.66 - Step 5: Solve for x
x = 34,598,992,685.66/213,131.44 - Step 6: Final answer
x = 162,336.41
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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.