Finding the Fourth Proportional to 201,783.96, 278,481.52 and 150,708.02
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Solution
The fourth proportional to 201,783.96, 278,481.52 and 150,708.02 is: 207,991.75
Step by Step Solution
- Step 1: Write the proportion equation
201,783.96 : 278,481.52 = 150,708.02 : x - Step 2: Convert to fraction form
201,783.96/278,481.52 = 150,708.02/x - Step 3: Cross multiply
201,783.96x = 278,481.52 × 150,708.02 - Step 4: Simplify right side
201,783.96x = 41,969,398,485.79 - Step 5: Solve for x
x = 41,969,398,485.79/201,783.96 - Step 6: Final answer
x = 207,991.75
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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.