Finding the Fourth Proportional to 505,664.70, 697,819.70 and 276,225.18
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Solution
The fourth proportional to 505,664.70, 697,819.70 and 276,225.18 is: 381,192.07
Step by Step Solution
- Step 1: Write the proportion equation
505,664.70 : 697,819.70 = 276,225.18 : x - Step 2: Convert to fraction form
505,664.70/697,819.70 = 276,225.18/x - Step 3: Cross multiply
505,664.70x = 697,819.70 × 276,225.18 - Step 4: Simplify right side
505,664.70x = 192,755,372,240.05 - Step 5: Solve for x
x = 192,755,372,240.05/505,664.70 - Step 6: Final answer
x = 381,192.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.