Finding the Fourth Proportional to 221,794.44, 306,082.62 and 123,679.92
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Solution
The fourth proportional to 221,794.44, 306,082.62 and 123,679.92 is: 170,681.80
Step by Step Solution
- Step 1: Write the proportion equation
221,794.44 : 306,082.62 = 123,679.92 : x - Step 2: Convert to fraction form
221,794.44/306,082.62 = 123,679.92/x - Step 3: Cross multiply
221,794.44x = 306,082.62 × 123,679.92 - Step 4: Simplify right side
221,794.44x = 37,856,273,954.99 - Step 5: Solve for x
x = 37,856,273,954.99/221,794.44 - Step 6: Final answer
x = 170,681.80
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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.