Finding the Fourth Proportional to 201,259.20, 301,888.80 and 122,527.20
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Solution
The fourth proportional to 201,259.20, 301,888.80 and 122,527.20 is: 183,790.80
Step by Step Solution
- Step 1: Write the proportion equation
201,259.20 : 301,888.80 = 122,527.20 : x - Step 2: Convert to fraction form
201,259.20/301,888.80 = 122,527.20/x - Step 3: Cross multiply
201,259.20x = 301,888.80 × 122,527.20 - Step 4: Simplify right side
201,259.20x = 36,989,589,375.36 - Step 5: Solve for x
x = 36,989,589,375.36/201,259.20 - Step 6: Final answer
x = 183,790.80
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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.