Finding the Fourth Proportional to 203,532.36, 280,891.97 and 112,917.52
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Solution
The fourth proportional to 203,532.36, 280,891.97 and 112,917.52 is: 155,835.78
Step by Step Solution
- Step 1: Write the proportion equation
203,532.36 : 280,891.97 = 112,917.52 : x - Step 2: Convert to fraction form
203,532.36/280,891.97 = 112,917.52/x - Step 3: Cross multiply
203,532.36x = 280,891.97 × 112,917.52 - Step 4: Simplify right side
203,532.36x = 31,717,624,640.31 - Step 5: Solve for x
x = 31,717,624,640.31/203,532.36 - Step 6: Final answer
x = 155,835.78
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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.