Finding the Fourth Proportional to 201,283.21, 277,785.33 and 120,709.27
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Solution
The fourth proportional to 201,283.21, 277,785.33 and 120,709.27 is: 166,587.49
Step by Step Solution
- Step 1: Write the proportion equation
201,283.21 : 277,785.33 = 120,709.27 : x - Step 2: Convert to fraction form
201,283.21/277,785.33 = 120,709.27/x - Step 3: Cross multiply
201,283.21x = 277,785.33 × 120,709.27 - Step 4: Simplify right side
201,283.21x = 33,531,263,012.08 - Step 5: Solve for x
x = 33,531,263,012.08/201,283.21 - Step 6: Final answer
x = 166,587.49
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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.