Finding the Fourth Proportional to 193,252.62, 289,898.36 and 71,706.44
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Solution
The fourth proportional to 193,252.62, 289,898.36 and 71,706.44 is: 107,566.87
Step by Step Solution
- Step 1: Write the proportion equation
193,252.62 : 289,898.36 = 71,706.44 : x - Step 2: Convert to fraction form
193,252.62/289,898.36 = 71,706.44/x - Step 3: Cross multiply
193,252.62x = 289,898.36 × 71,706.44 - Step 4: Simplify right side
193,252.62x = 20,787,579,357.44 - Step 5: Solve for x
x = 20,787,579,357.44/193,252.62 - Step 6: Final answer
x = 107,566.87
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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.