Finding the Fourth Proportional to 197,556.19, 272,627.52 and 106,912.15
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Solution
The fourth proportional to 197,556.19, 272,627.52 and 106,912.15 is: 147,538.75
Step by Step Solution
- Step 1: Write the proportion equation
197,556.19 : 272,627.52 = 106,912.15 : x - Step 2: Convert to fraction form
197,556.19/272,627.52 = 106,912.15/x - Step 3: Cross multiply
197,556.19x = 272,627.52 × 106,912.15 - Step 4: Simplify right side
197,556.19x = 29,147,194,312.37 - Step 5: Solve for x
x = 29,147,194,312.37/197,556.19 - Step 6: Final answer
x = 147,538.75
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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.