Finding the Fourth Proportional to 449,191.97, 619,736.13 and 296,306.09
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Solution
The fourth proportional to 449,191.97, 619,736.13 and 296,306.09 is: 408,804.26
Step by Step Solution
- Step 1: Write the proportion equation
449,191.97 : 619,736.13 = 296,306.09 : x - Step 2: Convert to fraction form
449,191.97/619,736.13 = 296,306.09/x - Step 3: Cross multiply
449,191.97x = 619,736.13 × 296,306.09 - Step 4: Simplify right side
449,191.97x = 183,631,589,512.03 - Step 5: Solve for x
x = 183,631,589,512.03/449,191.97 - Step 6: Final answer
x = 408,804.26
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1.5x scale
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.