Finding the Fourth Proportional to 217,546.29, 300,212.61 and 122,052.75
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Solution
The fourth proportional to 217,546.29, 300,212.61 and 122,052.75 is: 168,432.08
Step by Step Solution
- Step 1: Write the proportion equation
217,546.29 : 300,212.61 = 122,052.75 : x - Step 2: Convert to fraction form
217,546.29/300,212.61 = 122,052.75/x - Step 3: Cross multiply
217,546.29x = 300,212.61 × 122,052.75 - Step 4: Simplify right side
217,546.29x = 36,641,774,635.18 - Step 5: Solve for x
x = 36,641,774,635.18/217,546.29 - Step 6: Final answer
x = 168,432.08
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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.