Finding the Fourth Proportional to 139,107.44, 208,657.44 and 39,274.48
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Solution
The fourth proportional to 139,107.44, 208,657.44 and 39,274.48 is: 58,910.67
Step by Step Solution
- Step 1: Write the proportion equation
139,107.44 : 208,657.44 = 39,274.48 : x - Step 2: Convert to fraction form
139,107.44/208,657.44 = 39,274.48/x - Step 3: Cross multiply
139,107.44x = 208,657.44 × 39,274.48 - Step 4: Simplify right side
139,107.44x = 8,194,912,454.13 - Step 5: Solve for x
x = 8,194,912,454.13/139,107.44 - Step 6: Final answer
x = 58,910.67
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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.