Finding the Fourth Proportional to 638,338.62, 957,540.78 and 165,028.08
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Solution
The fourth proportional to 638,338.62, 957,540.78 and 165,028.08 is: 247,550.61
Step by Step Solution
- Step 1: Write the proportion equation
638,338.62 : 957,540.78 = 165,028.08 : x - Step 2: Convert to fraction form
638,338.62/957,540.78 = 165,028.08/x - Step 3: Cross multiply
638,338.62x = 957,540.78 × 165,028.08 - Step 4: Simplify right side
638,338.62x = 158,021,116,445.10 - Step 5: Solve for x
x = 158,021,116,445.10/638,338.62 - Step 6: Final answer
x = 247,550.61
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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.