Finding the Fourth Proportional to 123,072.92, 184,609.36 and 29,578.68
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Solution
The fourth proportional to 123,072.92, 184,609.36 and 29,578.68 is: 44,368.02
Step by Step Solution
- Step 1: Write the proportion equation
123,072.92 : 184,609.36 = 29,578.68 : x - Step 2: Convert to fraction form
123,072.92/184,609.36 = 29,578.68/x - Step 3: Cross multiply
123,072.92x = 184,609.36 × 29,578.68 - Step 4: Simplify right side
123,072.92x = 5,460,501,184.44 - Step 5: Solve for x
x = 5,460,501,184.44/123,072.92 - Step 6: Final answer
x = 44,368.02
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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.