Finding the Fourth Proportional to 115,402.92, 173,134.94 and 36,518.44
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Solution
The fourth proportional to 115,402.92, 173,134.94 and 36,518.44 is: 54,787.33
Step by Step Solution
- Step 1: Write the proportion equation
115,402.92 : 173,134.94 = 36,518.44 : x - Step 2: Convert to fraction form
115,402.92/173,134.94 = 36,518.44/x - Step 3: Cross multiply
115,402.92x = 173,134.94 × 36,518.44 - Step 4: Simplify right side
115,402.92x = 6,322,617,918.29 - Step 5: Solve for x
x = 6,322,617,918.29/115,402.92 - Step 6: Final answer
x = 54,787.33
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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.