Finding the Fourth Proportional to 213,372.05, 294,451.21 and 117,872.51
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Solution
The fourth proportional to 213,372.05, 294,451.21 and 117,872.51 is: 162,662.84
Step by Step Solution
- Step 1: Write the proportion equation
213,372.05 : 294,451.21 = 117,872.51 : x - Step 2: Convert to fraction form
213,372.05/294,451.21 = 117,872.51/x - Step 3: Cross multiply
213,372.05x = 294,451.21 × 117,872.51 - Step 4: Simplify right side
213,372.05x = 34,707,703,195.24 - Step 5: Solve for x
x = 34,707,703,195.24/213,372.05 - Step 6: Final answer
x = 162,662.84
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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.