Finding the Fourth Proportional to 358,245.52, 494,378.76 and 197,097.12
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Solution
The fourth proportional to 358,245.52, 494,378.76 and 197,097.12 is: 271,993.99
Step by Step Solution
- Step 1: Write the proportion equation
358,245.52 : 494,378.76 = 197,097.12 : x - Step 2: Convert to fraction form
358,245.52/494,378.76 = 197,097.12/x - Step 3: Cross multiply
358,245.52x = 494,378.76 × 197,097.12 - Step 4: Simplify right side
358,245.52x = 97,440,629,785.17 - Step 5: Solve for x
x = 97,440,629,785.17/358,245.52 - Step 6: Final answer
x = 271,993.99
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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.