Finding the Fourth Proportional to 505,218.26, 697,201.26 and 278,863.82
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Solution
The fourth proportional to 505,218.26, 697,201.26 and 278,863.82 is: 384,832.11
Step by Step Solution
- Step 1: Write the proportion equation
505,218.26 : 697,201.26 = 278,863.82 : x - Step 2: Convert to fraction form
505,218.26/697,201.26 = 278,863.82/x - Step 3: Cross multiply
505,218.26x = 697,201.26 × 278,863.82 - Step 4: Simplify right side
505,218.26x = 194,424,206,672.41 - Step 5: Solve for x
x = 194,424,206,672.41/505,218.26 - Step 6: Final answer
x = 384,832.11
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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.