Finding the Fourth Proportional to 489,201.80, 733,839.16 and 173,617.70
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Solution
The fourth proportional to 489,201.80, 733,839.16 and 173,617.70 is: 260,439.49
Step by Step Solution
- Step 1: Write the proportion equation
489,201.80 : 733,839.16 = 173,617.70 : x - Step 2: Convert to fraction form
489,201.80/733,839.16 = 173,617.70/x - Step 3: Cross multiply
489,201.80x = 733,839.16 × 173,617.70 - Step 4: Simplify right side
489,201.80x = 127,407,467,129.13 - Step 5: Solve for x
x = 127,407,467,129.13/489,201.80 - Step 6: Final answer
x = 260,439.49
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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.