Finding the Fourth Proportional to 226,974.28, 313,122.10 and 154,288.12
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Solution
The fourth proportional to 226,974.28, 313,122.10 and 154,288.12 is: 212,847.99
Step by Step Solution
- Step 1: Write the proportion equation
226,974.28 : 313,122.10 = 154,288.12 : x - Step 2: Convert to fraction form
226,974.28/313,122.10 = 154,288.12/x - Step 3: Cross multiply
226,974.28x = 313,122.10 × 154,288.12 - Step 4: Simplify right side
226,974.28x = 48,311,020,139.45 - Step 5: Solve for x
x = 48,311,020,139.45/226,974.28 - Step 6: Final answer
x = 212,847.99
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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.