Finding the Fourth Proportional to 213,372.44, 294,462.44 and 122,728.31
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Solution
The fourth proportional to 213,372.44, 294,462.44 and 122,728.31 is: 169,369.94
Step by Step Solution
- Step 1: Write the proportion equation
213,372.44 : 294,462.44 = 122,728.31 : x - Step 2: Convert to fraction form
213,372.44/294,462.44 = 122,728.31/x - Step 3: Cross multiply
213,372.44x = 294,462.44 × 122,728.31 - Step 4: Simplify right side
213,372.44x = 36,138,877,006.03 - Step 5: Solve for x
x = 36,138,877,006.03/213,372.44 - Step 6: Final answer
x = 169,369.94
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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.