Finding the Fourth Proportional to 489,452.67, 734,321.16 and 173,934.18
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Solution
The fourth proportional to 489,452.67, 734,321.16 and 173,934.18 is: 260,951.79
Step by Step Solution
- Step 1: Write the proportion equation
489,452.67 : 734,321.16 = 173,934.18 : x - Step 2: Convert to fraction form
489,452.67/734,321.16 = 173,934.18/x - Step 3: Cross multiply
489,452.67x = 734,321.16 × 173,934.18 - Step 4: Simplify right side
489,452.67x = 127,723,548,821.25 - Step 5: Solve for x
x = 127,723,548,821.25/489,452.67 - Step 6: Final answer
x = 260,951.79
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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.