Finding the Fourth Proportional to 103,510.92, 155,299.20 and 36,949.62
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Solution
The fourth proportional to 103,510.92, 155,299.20 and 36,949.62 is: 55,436.15
Step by Step Solution
- Step 1: Write the proportion equation
103,510.92 : 155,299.20 = 36,949.62 : x - Step 2: Convert to fraction form
103,510.92/155,299.20 = 36,949.62/x - Step 3: Cross multiply
103,510.92x = 155,299.20 × 36,949.62 - Step 4: Simplify right side
103,510.92x = 5,738,246,426.30 - Step 5: Solve for x
x = 5,738,246,426.30/103,510.92 - Step 6: Final answer
x = 55,436.15
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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.