Finding the Fourth Proportional to 201,657.97, 278,257.16 and 116,758.63
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Solution
The fourth proportional to 201,657.97, 278,257.16 and 116,758.63 is: 161,109.05
Step by Step Solution
- Step 1: Write the proportion equation
201,657.97 : 278,257.16 = 116,758.63 : x - Step 2: Convert to fraction form
201,657.97/278,257.16 = 116,758.63/x - Step 3: Cross multiply
201,657.97x = 278,257.16 × 116,758.63 - Step 4: Simplify right side
201,657.97x = 32,488,922,814.21 - Step 5: Solve for x
x = 32,488,922,814.21/201,657.97 - Step 6: Final answer
x = 161,109.05
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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.