Finding the Fourth Proportional to 180,739.09, 271,183.06 and 79,485.09
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Solution
The fourth proportional to 180,739.09, 271,183.06 and 79,485.09 is: 119,260.36
Step by Step Solution
- Step 1: Write the proportion equation
180,739.09 : 271,183.06 = 79,485.09 : x - Step 2: Convert to fraction form
180,739.09/271,183.06 = 79,485.09/x - Step 3: Cross multiply
180,739.09x = 271,183.06 × 79,485.09 - Step 4: Simplify right side
180,739.09x = 21,555,009,533.15 - Step 5: Solve for x
x = 21,555,009,533.15/180,739.09 - Step 6: Final answer
x = 119,260.36
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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.