Finding the Fourth Proportional to 213,386.92, 294,343.81 and 136,880.26
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Solution
The fourth proportional to 213,386.92, 294,343.81 and 136,880.26 is: 188,811.28
Step by Step Solution
- Step 1: Write the proportion equation
213,386.92 : 294,343.81 = 136,880.26 : x - Step 2: Convert to fraction form
213,386.92/294,343.81 = 136,880.26/x - Step 3: Cross multiply
213,386.92x = 294,343.81 × 136,880.26 - Step 4: Simplify right side
213,386.92x = 40,289,857,242.19 - Step 5: Solve for x
x = 40,289,857,242.19/213,386.92 - Step 6: Final answer
x = 188,811.28
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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.