Finding the Fourth Proportional to 201,566.76, 278,173.63 and 115,540.07
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Solution
The fourth proportional to 201,566.76, 278,173.63 and 115,540.07 is: 159,451.89
Step by Step Solution
- Step 1: Write the proportion equation
201,566.76 : 278,173.63 = 115,540.07 : x - Step 2: Convert to fraction form
201,566.76/278,173.63 = 115,540.07/x - Step 3: Cross multiply
201,566.76x = 278,173.63 × 115,540.07 - Step 4: Simplify right side
201,566.76x = 32,140,200,104.65 - Step 5: Solve for x
x = 32,140,200,104.65/201,566.76 - Step 6: Final answer
x = 159,451.89
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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.