Finding the Fourth Proportional to 306,015.12, 459,797.66 and 193,748.12
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Solution
The fourth proportional to 306,015.12, 459,797.66 and 193,748.12 is: 291,112.85
Step by Step Solution
- Step 1: Write the proportion equation
306,015.12 : 459,797.66 = 193,748.12 : x - Step 2: Convert to fraction form
306,015.12/459,797.66 = 193,748.12/x - Step 3: Cross multiply
306,015.12x = 459,797.66 × 193,748.12 - Step 4: Simplify right side
306,015.12x = 89,084,932,205.40 - Step 5: Solve for x
x = 89,084,932,205.40/306,015.12 - Step 6: Final answer
x = 291,112.85
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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.