Finding the Fourth Proportional to 263,041.36, 394,661.36 and 157,933.60
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Solution
The fourth proportional to 263,041.36, 394,661.36 and 157,933.60 is: 236,960.03
Step by Step Solution
- Step 1: Write the proportion equation
263,041.36 : 394,661.36 = 157,933.60 : x - Step 2: Convert to fraction form
263,041.36/394,661.36 = 157,933.60/x - Step 3: Cross multiply
263,041.36x = 394,661.36 × 157,933.60 - Step 4: Simplify right side
263,041.36x = 62,330,289,365.70 - Step 5: Solve for x
x = 62,330,289,365.70/263,041.36 - Step 6: Final answer
x = 236,960.03
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1.5x scale
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.