Finding the Fourth Proportional to 638,578.26, 957,867.36 and 165,262.23
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Solution
The fourth proportional to 638,578.26, 957,867.36 and 165,262.23 is: 247,893.34
Step by Step Solution
- Step 1: Write the proportion equation
638,578.26 : 957,867.36 = 165,262.23 : x - Step 2: Convert to fraction form
638,578.26/957,867.36 = 165,262.23/x - Step 3: Cross multiply
638,578.26x = 957,867.36 × 165,262.23 - Step 4: Simplify right side
638,578.26x = 158,299,295,957.81 - Step 5: Solve for x
x = 158,299,295,957.81/638,578.26 - Step 6: Final answer
x = 247,893.34
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1.5x scale
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.