Finding the Fourth Proportional to 213,224.44, 294,126.37 and 137,772.94
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Solution
The fourth proportional to 213,224.44, 294,126.37 and 137,772.94 is: 190,046.95
Step by Step Solution
- Step 1: Write the proportion equation
213,224.44 : 294,126.37 = 137,772.94 : x - Step 2: Convert to fraction form
213,224.44/294,126.37 = 137,772.94/x - Step 3: Cross multiply
213,224.44x = 294,126.37 × 137,772.94 - Step 4: Simplify right side
213,224.44x = 40,522,652,566.93 - Step 5: Solve for x
x = 40,522,652,566.93/213,224.44 - Step 6: Final answer
x = 190,046.95
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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.