Finding the Fourth Proportional to 758,129.40, 1,137,194.10 and 197,163.90
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Solution
The fourth proportional to 758,129.40, 1,137,194.10 and 197,163.90 is: 295,745.85
Step by Step Solution
- Step 1: Write the proportion equation
758,129.40 : 1,137,194.10 = 197,163.90 : x - Step 2: Convert to fraction form
758,129.40/1,137,194.10 = 197,163.90/x - Step 3: Cross multiply
758,129.40x = 1,137,194.10 × 197,163.90 - Step 4: Simplify right side
758,129.40x = 224,213,623,812.99 - Step 5: Solve for x
x = 224,213,623,812.99/758,129.40 - Step 6: Final answer
x = 295,745.85
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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.