Finding the Fourth Proportional to 214,636.08, 321,953.84 and 81,516.08
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Solution
The fourth proportional to 214,636.08, 321,953.84 and 81,516.08 is: 122,274.01
Step by Step Solution
- Step 1: Write the proportion equation
214,636.08 : 321,953.84 = 81,516.08 : x - Step 2: Convert to fraction form
214,636.08/321,953.84 = 81,516.08/x - Step 3: Cross multiply
214,636.08x = 321,953.84 × 81,516.08 - Step 4: Simplify right side
214,636.08x = 26,244,414,977.75 - Step 5: Solve for x
x = 26,244,414,977.75/214,636.08 - Step 6: Final answer
x = 122,274.01
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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.