Finding the Fourth Proportional to 202,183.44, 278,957.16 and 130,566.48
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Solution
The fourth proportional to 202,183.44, 278,957.16 and 130,566.48 is: 180,145.59
Step by Step Solution
- Step 1: Write the proportion equation
202,183.44 : 278,957.16 = 130,566.48 : x - Step 2: Convert to fraction form
202,183.44/278,957.16 = 130,566.48/x - Step 3: Cross multiply
202,183.44x = 278,957.16 × 130,566.48 - Step 4: Simplify right side
202,183.44x = 36,422,454,452.00 - Step 5: Solve for x
x = 36,422,454,452.00/202,183.44 - Step 6: Final answer
x = 180,145.59
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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.