Finding the Fourth Proportional to 358,117.68, 494,202.65 and 196,984.99
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Solution
The fourth proportional to 358,117.68, 494,202.65 and 196,984.99 is: 271,839.42
Step by Step Solution
- Step 1: Write the proportion equation
358,117.68 : 494,202.65 = 196,984.99 : x - Step 2: Convert to fraction form
358,117.68/494,202.65 = 196,984.99/x - Step 3: Cross multiply
358,117.68x = 494,202.65 × 196,984.99 - Step 4: Simplify right side
358,117.68x = 97,350,504,250.18 - Step 5: Solve for x
x = 97,350,504,250.18/358,117.68 - Step 6: Final answer
x = 271,839.42
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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.