Finding the Fourth Proportional to 489,122.44, 674,702.28 and 307,546.60
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Solution
The fourth proportional to 489,122.44, 674,702.28 and 307,546.60 is: 424,234.05
Step by Step Solution
- Step 1: Write the proportion equation
489,122.44 : 674,702.28 = 307,546.60 : x - Step 2: Convert to fraction form
489,122.44/674,702.28 = 307,546.60/x - Step 3: Cross multiply
489,122.44x = 674,702.28 × 307,546.60 - Step 4: Simplify right side
489,122.44x = 207,502,392,226.25 - Step 5: Solve for x
x = 207,502,392,226.25/489,122.44 - Step 6: Final answer
x = 424,234.05
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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.