Finding the Fourth Proportional to 218,059.84, 327,089.50 and 68,311.80
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Solution
The fourth proportional to 218,059.84, 327,089.50 and 68,311.80 is: 102,467.62
Step by Step Solution
- Step 1: Write the proportion equation
218,059.84 : 327,089.50 = 68,311.80 : x - Step 2: Convert to fraction form
218,059.84/327,089.50 = 68,311.80/x - Step 3: Cross multiply
218,059.84x = 327,089.50 × 68,311.80 - Step 4: Simplify right side
218,059.84x = 22,344,072,506.10 - Step 5: Solve for x
x = 22,344,072,506.10/218,059.84 - Step 6: Final answer
x = 102,467.62
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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.