Finding the Fourth Proportional to 395,622.56, 545,958.33 and 214,338.95
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Solution
The fourth proportional to 395,622.56, 545,958.33 and 214,338.95 is: 295,787.32
Step by Step Solution
- Step 1: Write the proportion equation
395,622.56 : 545,958.33 = 214,338.95 : x - Step 2: Convert to fraction form
395,622.56/545,958.33 = 214,338.95/x - Step 3: Cross multiply
395,622.56x = 545,958.33 × 214,338.95 - Step 4: Simplify right side
395,622.56x = 117,020,135,195.95 - Step 5: Solve for x
x = 117,020,135,195.95/395,622.56 - Step 6: Final answer
x = 295,787.32
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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.