Finding the Fourth Proportional to 489,976.02, 676,149.42 and 275,125.14
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Solution
The fourth proportional to 489,976.02, 676,149.42 and 275,125.14 is: 379,662.88
Step by Step Solution
- Step 1: Write the proportion equation
489,976.02 : 676,149.42 = 275,125.14 : x - Step 2: Convert to fraction form
489,976.02/676,149.42 = 275,125.14/x - Step 3: Cross multiply
489,976.02x = 676,149.42 × 275,125.14 - Step 4: Simplify right side
489,976.02x = 186,025,704,870.14 - Step 5: Solve for x
x = 186,025,704,870.14/489,976.02 - Step 6: Final answer
x = 379,662.88
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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.