Finding the Fourth Proportional to 214,919.70, 322,379.55 and 214,919.70
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Solution
The fourth proportional to 214,919.70, 322,379.55 and 214,919.70 is: 322,379.55
Step by Step Solution
- Step 1: Write the proportion equation
214,919.70 : 322,379.55 = 214,919.70 : x - Step 2: Convert to fraction form
214,919.70/322,379.55 = 214,919.70/x - Step 3: Cross multiply
214,919.70x = 322,379.55 × 214,919.70 - Step 4: Simplify right side
214,919.70x = 69,285,716,172.14 - Step 5: Solve for x
x = 69,285,716,172.14/214,919.70 - Step 6: Final answer
x = 322,379.55
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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.