Finding the Fourth Proportional to 418,604.24, 627,906.36 and 119,115.92
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Solution
The fourth proportional to 418,604.24, 627,906.36 and 119,115.92 is: 178,673.88
Step by Step Solution
- Step 1: Write the proportion equation
418,604.24 : 627,906.36 = 119,115.92 : x - Step 2: Convert to fraction form
418,604.24/627,906.36 = 119,115.92/x - Step 3: Cross multiply
418,604.24x = 627,906.36 × 119,115.92 - Step 4: Simplify right side
418,604.24x = 74,793,643,745.25 - Step 5: Solve for x
x = 74,793,643,745.25/418,604.24 - Step 6: Final answer
x = 178,673.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.