Finding the Fourth Proportional to 382,620.97, 573,406.48 and 242,128.09
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Solution
The fourth proportional to 382,620.97, 573,406.48 and 242,128.09 is: 362,859.92
Step by Step Solution
- Step 1: Write the proportion equation
382,620.97 : 573,406.48 = 242,128.09 : x - Step 2: Convert to fraction form
382,620.97/573,406.48 = 242,128.09/x - Step 3: Cross multiply
382,620.97x = 573,406.48 × 242,128.09 - Step 4: Simplify right side
382,620.97x = 138,837,815,796.02 - Step 5: Solve for x
x = 138,837,815,796.02/382,620.97 - Step 6: Final answer
x = 362,859.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.