Finding the Fourth Proportional to 201,642.94, 278,265.07 and 110,996.99
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Solution
The fourth proportional to 201,642.94, 278,265.07 and 110,996.99 is: 153,174.64
Step by Step Solution
- Step 1: Write the proportion equation
201,642.94 : 278,265.07 = 110,996.99 : x - Step 2: Convert to fraction form
201,642.94/278,265.07 = 110,996.99/x - Step 3: Cross multiply
201,642.94x = 278,265.07 × 110,996.99 - Step 4: Simplify right side
201,642.94x = 30,886,585,192.14 - Step 5: Solve for x
x = 30,886,585,192.14/201,642.94 - Step 6: Final answer
x = 153,174.64
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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.