Finding the Fourth Proportional to 505,806.06, 698,004.09 and 276,358.31
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Solution
The fourth proportional to 505,806.06, 698,004.09 and 276,358.31 is: 381,369.94
Step by Step Solution
- Step 1: Write the proportion equation
505,806.06 : 698,004.09 = 276,358.31 : x - Step 2: Convert to fraction form
505,806.06/698,004.09 = 276,358.31/x - Step 3: Cross multiply
505,806.06x = 698,004.09 × 276,358.31 - Step 4: Simplify right side
505,806.06x = 192,899,227,195.47 - Step 5: Solve for x
x = 192,899,227,195.47/505,806.06 - Step 6: Final answer
x = 381,369.94
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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.