Finding the Fourth Proportional to 201,627.07, 278,243.16 and 110,981.09
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Solution
The fourth proportional to 201,627.07, 278,243.16 and 110,981.09 is: 153,152.70
Step by Step Solution
- Step 1: Write the proportion equation
201,627.07 : 278,243.16 = 110,981.09 : x - Step 2: Convert to fraction form
201,627.07/278,243.16 = 110,981.09/x - Step 3: Cross multiply
201,627.07x = 278,243.16 × 110,981.09 - Step 4: Simplify right side
201,627.07x = 30,879,729,181.84 - Step 5: Solve for x
x = 30,879,729,181.84/201,627.07 - Step 6: Final answer
x = 153,152.70
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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.