Finding the Fourth Proportional to 155,004.26, 231,902.09 and 135,877.05
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Solution
The fourth proportional to 155,004.26, 231,902.09 and 135,877.05 is: 203,285.84
Step by Step Solution
- Step 1: Write the proportion equation
155,004.26 : 231,902.09 = 135,877.05 : x - Step 2: Convert to fraction form
155,004.26/231,902.09 = 135,877.05/x - Step 3: Cross multiply
155,004.26x = 231,902.09 × 135,877.05 - Step 4: Simplify right side
155,004.26x = 31,510,171,878.03 - Step 5: Solve for x
x = 31,510,171,878.03/155,004.26 - Step 6: Final answer
x = 203,285.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.