Finding the Fourth Proportional to 113,860.70, 170,604.11 and 38,939.97
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Solution
The fourth proportional to 113,860.70, 170,604.11 and 38,939.97 is: 58,346.02
Step by Step Solution
- Step 1: Write the proportion equation
113,860.70 : 170,604.11 = 38,939.97 : x - Step 2: Convert to fraction form
113,860.70/170,604.11 = 38,939.97/x - Step 3: Cross multiply
113,860.70x = 170,604.11 × 38,939.97 - Step 4: Simplify right side
113,860.70x = 6,643,318,556.72 - Step 5: Solve for x
x = 6,643,318,556.72/113,860.70 - Step 6: Final answer
x = 58,346.02
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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.