Finding the Fourth Proportional to 127,274.99, 175,629.21 and 73,563.49
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Solution
The fourth proportional to 127,274.99, 175,629.21 and 73,563.49 is: 101,511.67
Step by Step Solution
- Step 1: Write the proportion equation
127,274.99 : 175,629.21 = 73,563.49 : x - Step 2: Convert to fraction form
127,274.99/175,629.21 = 73,563.49/x - Step 3: Cross multiply
127,274.99x = 175,629.21 × 73,563.49 - Step 4: Simplify right side
127,274.99x = 12,919,896,755.40 - Step 5: Solve for x
x = 12,919,896,755.40/127,274.99 - Step 6: Final answer
x = 101,511.67
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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.