Finding the Fourth Proportional to 157,236.04, 217,198.02 and 125,626.60
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Solution
The fourth proportional to 157,236.04, 217,198.02 and 125,626.60 is: 173,534.32
Step by Step Solution
- Step 1: Write the proportion equation
157,236.04 : 217,198.02 = 125,626.60 : x - Step 2: Convert to fraction form
157,236.04/217,198.02 = 125,626.60/x - Step 3: Cross multiply
157,236.04x = 217,198.02 × 125,626.60 - Step 4: Simplify right side
157,236.04x = 27,285,848,779.33 - Step 5: Solve for x
x = 27,285,848,779.33/157,236.04 - Step 6: Final answer
x = 173,534.32
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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.