Finding the Fourth Proportional to 201,707.20, 301,783.20 and 131,723.20
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Solution
The fourth proportional to 201,707.20, 301,783.20 and 131,723.20 is: 197,076.99
Step by Step Solution
- Step 1: Write the proportion equation
201,707.20 : 301,783.20 = 131,723.20 : x - Step 2: Convert to fraction form
201,707.20/301,783.20 = 131,723.20/x - Step 3: Cross multiply
201,707.20x = 301,783.20 × 131,723.20 - Step 4: Simplify right side
201,707.20x = 39,751,848,810.24 - Step 5: Solve for x
x = 39,751,848,810.24/201,707.20 - Step 6: Final answer
x = 197,076.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.