Finding the Fourth Proportional to 103,674.68, 155,489.46 and 40,474.46
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Solution
The fourth proportional to 103,674.68, 155,489.46 and 40,474.46 is: 60,702.88
Step by Step Solution
- Step 1: Write the proportion equation
103,674.68 : 155,489.46 = 40,474.46 : x - Step 2: Convert to fraction form
103,674.68/155,489.46 = 40,474.46/x - Step 3: Cross multiply
103,674.68x = 155,489.46 × 40,474.46 - Step 4: Simplify right side
103,674.68x = 6,293,351,929.19 - Step 5: Solve for x
x = 6,293,351,929.19/103,674.68 - Step 6: Final answer
x = 60,702.88
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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.