Finding the Fourth Proportional to 366,917.05, 550,375.58 and 323,614.45
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Solution
The fourth proportional to 366,917.05, 550,375.58 and 323,614.45 is: 485,421.68
Step by Step Solution
- Step 1: Write the proportion equation
366,917.05 : 550,375.58 = 323,614.45 : x - Step 2: Convert to fraction form
366,917.05/550,375.58 = 323,614.45/x - Step 3: Cross multiply
366,917.05x = 550,375.58 × 323,614.45 - Step 4: Simplify right side
366,917.05x = 178,109,490,615.13 - Step 5: Solve for x
x = 178,109,490,615.13/366,917.05 - Step 6: Final answer
x = 485,421.68
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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.