Finding the Fourth Proportional to 366,266.36, 505,389.84 and 213,329.72
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Solution
The fourth proportional to 366,266.36, 505,389.84 and 213,329.72 is: 294,361.39
Step by Step Solution
- Step 1: Write the proportion equation
366,266.36 : 505,389.84 = 213,329.72 : x - Step 2: Convert to fraction form
366,266.36/505,389.84 = 213,329.72/x - Step 3: Cross multiply
366,266.36x = 505,389.84 × 213,329.72 - Step 4: Simplify right side
366,266.36x = 107,814,673,058.05 - Step 5: Solve for x
x = 107,814,673,058.05/366,266.36 - Step 6: Final answer
x = 294,361.39
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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.