Finding the Fourth Proportional to 103,473.46, 155,238.84 and 41,187.70
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Solution
The fourth proportional to 103,473.46, 155,238.84 and 41,187.70 is: 61,792.95
Step by Step Solution
- Step 1: Write the proportion equation
103,473.46 : 155,238.84 = 41,187.70 : x - Step 2: Convert to fraction form
103,473.46/155,238.84 = 41,187.70/x - Step 3: Cross multiply
103,473.46x = 155,238.84 × 41,187.70 - Step 4: Simplify right side
103,473.46x = 6,393,930,770.27 - Step 5: Solve for x
x = 6,393,930,770.27/103,473.46 - Step 6: Final answer
x = 61,792.95
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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.