Finding the Fourth Proportional to 513,905.26, 770,414.91 and 198,583.42
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Solution
The fourth proportional to 513,905.26, 770,414.91 and 198,583.42 is: 297,703.95
Step by Step Solution
- Step 1: Write the proportion equation
513,905.26 : 770,414.91 = 198,583.42 : x - Step 2: Convert to fraction form
513,905.26/770,414.91 = 198,583.42/x - Step 3: Cross multiply
513,905.26x = 770,414.91 × 198,583.42 - Step 4: Simplify right side
513,905.26x = 152,991,627,646.79 - Step 5: Solve for x
x = 152,991,627,646.79/513,905.26 - Step 6: Final answer
x = 297,703.95
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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.