Finding the Fourth Proportional to 415,214.97, 622,338.57 and 190,599.15
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Solution
The fourth proportional to 415,214.97, 622,338.57 and 190,599.15 is: 285,676.60
Step by Step Solution
- Step 1: Write the proportion equation
415,214.97 : 622,338.57 = 190,599.15 : x - Step 2: Convert to fraction form
415,214.97/622,338.57 = 190,599.15/x - Step 3: Cross multiply
415,214.97x = 622,338.57 × 190,599.15 - Step 4: Simplify right side
415,214.97x = 118,617,202,454.22 - Step 5: Solve for x
x = 118,617,202,454.22/415,214.97 - Step 6: Final answer
x = 285,676.60
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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.