Finding the Fourth Proportional to 167,438.56, 250,912.08 and 84,218.08
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Solution
The fourth proportional to 167,438.56, 250,912.08 and 84,218.08 is: 126,203.51
Step by Step Solution
- Step 1: Write the proportion equation
167,438.56 : 250,912.08 = 84,218.08 : x - Step 2: Convert to fraction form
167,438.56/250,912.08 = 84,218.08/x - Step 3: Cross multiply
167,438.56x = 250,912.08 × 84,218.08 - Step 4: Simplify right side
167,438.56x = 21,131,333,626.41 - Step 5: Solve for x
x = 21,131,333,626.41/167,438.56 - Step 6: Final answer
x = 126,203.51
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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.