Finding the Fourth Proportional to 313,917.44, 433,274.88 and 206,498.08
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Solution
The fourth proportional to 313,917.44, 433,274.88 and 206,498.08 is: 285,012.62
Step by Step Solution
- Step 1: Write the proportion equation
313,917.44 : 433,274.88 = 206,498.08 : x - Step 2: Convert to fraction form
313,917.44/433,274.88 = 206,498.08/x - Step 3: Cross multiply
313,917.44x = 433,274.88 × 206,498.08 - Step 4: Simplify right side
313,917.44x = 89,470,430,832.23 - Step 5: Solve for x
x = 89,470,430,832.23/313,917.44 - Step 6: Final answer
x = 285,012.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.