Finding the Fourth Proportional to 201,757.14, 278,425.71 and 115,719.48
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Solution
The fourth proportional to 201,757.14, 278,425.71 and 115,719.48 is: 159,693.37
Step by Step Solution
- Step 1: Write the proportion equation
201,757.14 : 278,425.71 = 115,719.48 : x - Step 2: Convert to fraction form
201,757.14/278,425.71 = 115,719.48/x - Step 3: Cross multiply
201,757.14x = 278,425.71 × 115,719.48 - Step 4: Simplify right side
201,757.14x = 32,219,278,379.83 - Step 5: Solve for x
x = 32,219,278,379.83/201,757.14 - Step 6: Final answer
x = 159,693.37
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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.