Finding the Fourth Proportional to 201,860.75, 278,567.84 and 117,027.02
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Solution
The fourth proportional to 201,860.75, 278,567.84 and 117,027.02 is: 161,497.29
Step by Step Solution
- Step 1: Write the proportion equation
201,860.75 : 278,567.84 = 117,027.02 : x - Step 2: Convert to fraction form
201,860.75/278,567.84 = 117,027.02/x - Step 3: Cross multiply
201,860.75x = 278,567.84 × 117,027.02 - Step 4: Simplify right side
201,860.75x = 32,599,964,183.04 - Step 5: Solve for x
x = 32,599,964,183.04/201,860.75 - Step 6: Final answer
x = 161,497.29
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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.