Finding the Fourth Proportional to 197,135.40, 295,703.10 and 122,728.80
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Solution
The fourth proportional to 197,135.40, 295,703.10 and 122,728.80 is: 184,093.20
Step by Step Solution
- Step 1: Write the proportion equation
197,135.40 : 295,703.10 = 122,728.80 : x - Step 2: Convert to fraction form
197,135.40/295,703.10 = 122,728.80/x - Step 3: Cross multiply
197,135.40x = 295,703.10 × 122,728.80 - Step 4: Simplify right side
197,135.40x = 36,291,286,619.28 - Step 5: Solve for x
x = 36,291,286,619.28/197,135.40 - Step 6: Final answer
x = 184,093.20
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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.