Finding the Fourth Proportional to 358,073.75, 494,154.20 and 196,940.99
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Solution
The fourth proportional to 358,073.75, 494,154.20 and 196,940.99 is: 271,785.40
Step by Step Solution
- Step 1: Write the proportion equation
358,073.75 : 494,154.20 = 196,940.99 : x - Step 2: Convert to fraction form
358,073.75/494,154.20 = 196,940.99/x - Step 3: Cross multiply
358,073.75x = 494,154.20 × 196,940.99 - Step 4: Simplify right side
358,073.75x = 97,319,216,375.95 - Step 5: Solve for x
x = 97,319,216,375.95/358,073.75 - Step 6: Final answer
x = 271,785.40
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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.