Finding the Fourth Proportional to 340,882.68, 470,396.86 and 187,912.92
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Solution
The fourth proportional to 340,882.68, 470,396.86 and 187,912.92 is: 259,308.12
Step by Step Solution
- Step 1: Write the proportion equation
340,882.68 : 470,396.86 = 187,912.92 : x - Step 2: Convert to fraction form
340,882.68/470,396.86 = 187,912.92/x - Step 3: Cross multiply
340,882.68x = 470,396.86 × 187,912.92 - Step 4: Simplify right side
340,882.68x = 88,393,647,521.43 - Step 5: Solve for x
x = 88,393,647,521.43/340,882.68 - Step 6: Final answer
x = 259,308.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.