Finding the Fourth Proportional to 265,991.28, 398,982.60 and 125,850.48
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Solution
The fourth proportional to 265,991.28, 398,982.60 and 125,850.48 is: 188,773.68
Step by Step Solution
- Step 1: Write the proportion equation
265,991.28 : 398,982.60 = 125,850.48 : x - Step 2: Convert to fraction form
265,991.28/398,982.60 = 125,850.48/x - Step 3: Cross multiply
265,991.28x = 398,982.60 × 125,850.48 - Step 4: Simplify right side
265,991.28x = 50,212,151,721.65 - Step 5: Solve for x
x = 50,212,151,721.65/265,991.28 - Step 6: Final answer
x = 188,773.68
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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.