Finding the Fourth Proportional to 366,039.19, 505,109.68 and 202,690.14
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Solution
The fourth proportional to 366,039.19, 505,109.68 and 202,690.14 is: 279,698.88
Step by Step Solution
- Step 1: Write the proportion equation
366,039.19 : 505,109.68 = 202,690.14 : x - Step 2: Convert to fraction form
366,039.19/505,109.68 = 202,690.14/x - Step 3: Cross multiply
366,039.19x = 505,109.68 × 202,690.14 - Step 4: Simplify right side
366,039.19x = 102,380,751,754.56 - Step 5: Solve for x
x = 102,380,751,754.56/366,039.19 - Step 6: Final answer
x = 279,698.88
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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.