Finding the Fourth Proportional to 167,905.93, 251,858.62 and 115,155.49
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Solution
The fourth proportional to 167,905.93, 251,858.62 and 115,155.49 is: 172,733.05
Step by Step Solution
- Step 1: Write the proportion equation
167,905.93 : 251,858.62 = 115,155.49 : x - Step 2: Convert to fraction form
167,905.93/251,858.62 = 115,155.49/x - Step 3: Cross multiply
167,905.93x = 251,858.62 × 115,155.49 - Step 4: Simplify right side
167,905.93x = 29,002,902,796.82 - Step 5: Solve for x
x = 29,002,902,796.82/167,905.93 - Step 6: Final answer
x = 172,733.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.