Finding the Fourth Proportional to 361,874.23, 499,376.79 and 208,907.26
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Solution
The fourth proportional to 361,874.23, 499,376.79 and 208,907.26 is: 288,286.45
Step by Step Solution
- Step 1: Write the proportion equation
361,874.23 : 499,376.79 = 208,907.26 : x - Step 2: Convert to fraction form
361,874.23/499,376.79 = 208,907.26/x - Step 3: Cross multiply
361,874.23x = 499,376.79 × 208,907.26 - Step 4: Simplify right side
361,874.23x = 104,323,436,906.50 - Step 5: Solve for x
x = 104,323,436,906.50/361,874.23 - Step 6: Final answer
x = 288,286.45
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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.