Finding the Fourth Proportional to 125,250.08, 187,872.38 and 30,480.68
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Solution
The fourth proportional to 125,250.08, 187,872.38 and 30,480.68 is: 45,720.35
Step by Step Solution
- Step 1: Write the proportion equation
125,250.08 : 187,872.38 = 30,480.68 : x - Step 2: Convert to fraction form
125,250.08/187,872.38 = 30,480.68/x - Step 3: Cross multiply
125,250.08x = 187,872.38 × 30,480.68 - Step 4: Simplify right side
125,250.08x = 5,726,477,895.62 - Step 5: Solve for x
x = 5,726,477,895.62/125,250.08 - Step 6: Final answer
x = 45,720.35
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1.5x scale
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.