Finding the Fourth Proportional to 330,077.97, 455,514.84 and 201,022.50
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Solution
The fourth proportional to 330,077.97, 455,514.84 and 201,022.50 is: 277,415.46
Step by Step Solution
- Step 1: Write the proportion equation
330,077.97 : 455,514.84 = 201,022.50 : x - Step 2: Convert to fraction form
330,077.97/455,514.84 = 201,022.50/x - Step 3: Cross multiply
330,077.97x = 455,514.84 × 201,022.50 - Step 4: Simplify right side
330,077.97x = 91,568,731,923.90 - Step 5: Solve for x
x = 91,568,731,923.90/330,077.97 - Step 6: Final answer
x = 277,415.46
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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.