Finding the Fourth Proportional to 201,183.60, 301,775.40 and 101,305.20
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Solution
The fourth proportional to 201,183.60, 301,775.40 and 101,305.20 is: 151,957.80
Step by Step Solution
- Step 1: Write the proportion equation
201,183.60 : 301,775.40 = 101,305.20 : x - Step 2: Convert to fraction form
201,183.60/301,775.40 = 101,305.20/x - Step 3: Cross multiply
201,183.60x = 301,775.40 × 101,305.20 - Step 4: Simplify right side
201,183.60x = 30,571,417,252.08 - Step 5: Solve for x
x = 30,571,417,252.08/201,183.60 - Step 6: Final answer
x = 151,957.80
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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.