Finding the Fourth Proportional to 358,114.73, 494,207.68 and 196,974.01
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Solution
The fourth proportional to 358,114.73, 494,207.68 and 196,974.01 is: 271,829.28
Step by Step Solution
- Step 1: Write the proportion equation
358,114.73 : 494,207.68 = 196,974.01 : x - Step 2: Convert to fraction form
358,114.73/494,207.68 = 196,974.01/x - Step 3: Cross multiply
358,114.73x = 494,207.68 × 196,974.01 - Step 4: Simplify right side
358,114.73x = 97,346,068,502.40 - Step 5: Solve for x
x = 97,346,068,502.40/358,114.73 - Step 6: Final answer
x = 271,829.28
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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.