Finding the Fourth Proportional to 103,546.11, 155,288.52 and 44,368.05
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Solution
The fourth proportional to 103,546.11, 155,288.52 and 44,368.05 is: 66,538.94
Step by Step Solution
- Step 1: Write the proportion equation
103,546.11 : 155,288.52 = 44,368.05 : x - Step 2: Convert to fraction form
103,546.11/155,288.52 = 44,368.05/x - Step 3: Cross multiply
103,546.11x = 155,288.52 × 44,368.05 - Step 4: Simplify right side
103,546.11x = 6,889,848,819.79 - Step 5: Solve for x
x = 6,889,848,819.79/103,546.11 - Step 6: Final answer
x = 66,538.94
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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.