Finding the Fourth Proportional to 167,888.19, 251,919.77 and 74,372.07
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Solution
The fourth proportional to 167,888.19, 251,919.77 and 74,372.07 is: 111,596.86
Step by Step Solution
- Step 1: Write the proportion equation
167,888.19 : 251,919.77 = 74,372.07 : x - Step 2: Convert to fraction form
167,888.19/251,919.77 = 74,372.07/x - Step 3: Cross multiply
167,888.19x = 251,919.77 × 74,372.07 - Step 4: Simplify right side
167,888.19x = 18,735,794,396.96 - Step 5: Solve for x
x = 18,735,794,396.96/167,888.19 - Step 6: Final answer
x = 111,596.86
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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.