Finding the Fourth Proportional to 193,119.14, 289,758.69 and 104,268.21
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Solution
The fourth proportional to 193,119.14, 289,758.69 and 104,268.21 is: 156,445.50
Step by Step Solution
- Step 1: Write the proportion equation
193,119.14 : 289,758.69 = 104,268.21 : x - Step 2: Convert to fraction form
193,119.14/289,758.69 = 104,268.21/x - Step 3: Cross multiply
193,119.14x = 289,758.69 × 104,268.21 - Step 4: Simplify right side
193,119.14x = 30,212,619,938.24 - Step 5: Solve for x
x = 30,212,619,938.24/193,119.14 - Step 6: Final answer
x = 156,445.50
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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.