Finding the Fourth Proportional to 143,217.36, 214,723.62 and 67,273.38
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Solution
The fourth proportional to 143,217.36, 214,723.62 and 67,273.38 is: 100,861.96
Step by Step Solution
- Step 1: Write the proportion equation
143,217.36 : 214,723.62 = 67,273.38 : x - Step 2: Convert to fraction form
143,217.36/214,723.62 = 67,273.38/x - Step 3: Cross multiply
143,217.36x = 214,723.62 × 67,273.38 - Step 4: Simplify right side
143,217.36x = 14,445,183,683.24 - Step 5: Solve for x
x = 14,445,183,683.24/143,217.36 - Step 6: Final answer
x = 100,861.96
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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.