Finding the Fourth Proportional to 188,469.14, 260,076.40 and 103,586.26
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Solution
The fourth proportional to 188,469.14, 260,076.40 and 103,586.26 is: 142,942.99
Step by Step Solution
- Step 1: Write the proportion equation
188,469.14 : 260,076.40 = 103,586.26 : x - Step 2: Convert to fraction form
188,469.14/260,076.40 = 103,586.26/x - Step 3: Cross multiply
188,469.14x = 260,076.40 × 103,586.26 - Step 4: Simplify right side
188,469.14x = 26,940,341,590.26 - Step 5: Solve for x
x = 26,940,341,590.26/188,469.14 - Step 6: Final answer
x = 142,942.99
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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.