Finding the Fourth Proportional to 358,618.49, 494,893.04 and 197,473.95
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Solution
The fourth proportional to 358,618.49, 494,893.04 and 197,473.95 is: 272,513.79
Step by Step Solution
- Step 1: Write the proportion equation
358,618.49 : 494,893.04 = 197,473.95 : x - Step 2: Convert to fraction form
358,618.49/494,893.04 = 197,473.95/x - Step 3: Cross multiply
358,618.49x = 494,893.04 × 197,473.95 - Step 4: Simplify right side
358,618.49x = 97,728,483,559.73 - Step 5: Solve for x
x = 97,728,483,559.73/358,618.49 - Step 6: Final answer
x = 272,513.79
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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.