Finding the Fourth Proportional to 193,745.99, 267,353.97 and 107,698.21
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Solution
The fourth proportional to 193,745.99, 267,353.97 and 107,698.21 is: 148,614.91
Step by Step Solution
- Step 1: Write the proportion equation
193,745.99 : 267,353.97 = 107,698.21 : x - Step 2: Convert to fraction form
193,745.99/267,353.97 = 107,698.21/x - Step 3: Cross multiply
193,745.99x = 267,353.97 × 107,698.21 - Step 4: Simplify right side
193,745.99x = 28,793,542,933.14 - Step 5: Solve for x
x = 28,793,542,933.14/193,745.99 - Step 6: Final answer
x = 148,614.91
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1.5x scale
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.