Finding the Fourth Proportional to 167,908.06, 251,861.81 and 115,157.62
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Solution
The fourth proportional to 167,908.06, 251,861.81 and 115,157.62 is: 172,736.23
Step by Step Solution
- Step 1: Write the proportion equation
167,908.06 : 251,861.81 = 115,157.62 : x - Step 2: Convert to fraction form
167,908.06/251,861.81 = 115,157.62/x - Step 3: Cross multiply
167,908.06x = 251,861.81 × 115,157.62 - Step 4: Simplify right side
167,908.06x = 29,003,804,773.40 - Step 5: Solve for x
x = 29,003,804,773.40/167,908.06 - Step 6: Final answer
x = 172,736.23
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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.