Finding the Fourth Proportional to 213,133.82, 294,106.04 and 136,517.75
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Solution
The fourth proportional to 213,133.82, 294,106.04 and 136,517.75 is: 188,382.56
Step by Step Solution
- Step 1: Write the proportion equation
213,133.82 : 294,106.04 = 136,517.75 : x - Step 2: Convert to fraction form
213,133.82/294,106.04 = 136,517.75/x - Step 3: Cross multiply
213,133.82x = 294,106.04 × 136,517.75 - Step 4: Simplify right side
213,133.82x = 40,150,692,689.09 - Step 5: Solve for x
x = 40,150,692,689.09/213,133.82 - Step 6: Final answer
x = 188,382.56
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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.