Finding the Fourth Proportional to 257,941.80, 386,912.70 and 244,163.70
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Solution
The fourth proportional to 257,941.80, 386,912.70 and 244,163.70 is: 366,245.55
Step by Step Solution
- Step 1: Write the proportion equation
257,941.80 : 386,912.70 = 244,163.70 : x - Step 2: Convert to fraction form
257,941.80/386,912.70 = 244,163.70/x - Step 3: Cross multiply
257,941.80x = 386,912.70 × 244,163.70 - Step 4: Simplify right side
257,941.80x = 94,470,036,408.99 - Step 5: Solve for x
x = 94,470,036,408.99/257,941.80 - Step 6: Final answer
x = 366,245.55
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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.