Finding the Fourth Proportional to 202,103.87, 278,936.39 and 121,575.83
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Solution
The fourth proportional to 202,103.87, 278,936.39 and 121,575.83 is: 167,794.53
Step by Step Solution
- Step 1: Write the proportion equation
202,103.87 : 278,936.39 = 121,575.83 : x - Step 2: Convert to fraction form
202,103.87/278,936.39 = 121,575.83/x - Step 3: Cross multiply
202,103.87x = 278,936.39 × 121,575.83 - Step 4: Simplify right side
202,103.87x = 33,911,922,040.71 - Step 5: Solve for x
x = 33,911,922,040.71/202,103.87 - Step 6: Final answer
x = 167,794.53
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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.