Finding the Fourth Proportional to 201,640.86, 278,260.11 and 110,992.14
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Solution
The fourth proportional to 201,640.86, 278,260.11 and 110,992.14 is: 153,166.80
Step by Step Solution
- Step 1: Write the proportion equation
201,640.86 : 278,260.11 = 110,992.14 : x - Step 2: Convert to fraction form
201,640.86/278,260.11 = 110,992.14/x - Step 3: Cross multiply
201,640.86x = 278,260.11 × 110,992.14 - Step 4: Simplify right side
201,640.86x = 30,884,685,085.54 - Step 5: Solve for x
x = 30,884,685,085.54/201,640.86 - Step 6: Final answer
x = 153,166.80
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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.