Finding the Fourth Proportional to 178,453.05, 246,260.98 and 97,879.87
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Solution
The fourth proportional to 178,453.05, 246,260.98 and 97,879.87 is: 135,071.90
Step by Step Solution
- Step 1: Write the proportion equation
178,453.05 : 246,260.98 = 97,879.87 : x - Step 2: Convert to fraction form
178,453.05/246,260.98 = 97,879.87/x - Step 3: Cross multiply
178,453.05x = 246,260.98 × 97,879.87 - Step 4: Simplify right side
178,453.05x = 24,103,992,721.33 - Step 5: Solve for x
x = 24,103,992,721.33/178,453.05 - Step 6: Final answer
x = 135,071.90
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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.