Finding the Fourth Proportional to 215,354.43, 323,097.84 and 110,247.21
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Solution
The fourth proportional to 215,354.43, 323,097.84 and 110,247.21 is: 165,404.70
Step by Step Solution
- Step 1: Write the proportion equation
215,354.43 : 323,097.84 = 110,247.21 : x - Step 2: Convert to fraction form
215,354.43/323,097.84 = 110,247.21/x - Step 3: Cross multiply
215,354.43x = 323,097.84 × 110,247.21 - Step 4: Simplify right side
215,354.43x = 35,620,635,417.03 - Step 5: Solve for x
x = 35,620,635,417.03/215,354.43 - Step 6: Final answer
x = 165,404.70
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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.