Finding the Fourth Proportional to 406,361.44, 560,391.95 and 242,991.99
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Solution
The fourth proportional to 406,361.44, 560,391.95 and 242,991.99 is: 335,097.62
Step by Step Solution
- Step 1: Write the proportion equation
406,361.44 : 560,391.95 = 242,991.99 : x - Step 2: Convert to fraction form
406,361.44/560,391.95 = 242,991.99/x - Step 3: Cross multiply
406,361.44x = 560,391.95 × 242,991.99 - Step 4: Simplify right side
406,361.44x = 136,170,751,960.23 - Step 5: Solve for x
x = 136,170,751,960.23/406,361.44 - Step 6: Final answer
x = 335,097.62
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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.