Finding the Fourth Proportional to 195,564.60, 269,879.26 and 106,140.60
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Solution
The fourth proportional to 195,564.60, 269,879.26 and 106,140.60 is: 146,474.09
Step by Step Solution
- Step 1: Write the proportion equation
195,564.60 : 269,879.26 = 106,140.60 : x - Step 2: Convert to fraction form
195,564.60/269,879.26 = 106,140.60/x - Step 3: Cross multiply
195,564.60x = 269,879.26 × 106,140.60 - Step 4: Simplify right side
195,564.60x = 28,645,146,583.96 - Step 5: Solve for x
x = 28,645,146,583.96/195,564.60 - Step 6: Final answer
x = 146,474.09
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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.