Finding the Fourth Proportional to 576,107.44, 864,202.68 and 221,121.45
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Solution
The fourth proportional to 576,107.44, 864,202.68 and 221,121.45 is: 331,698.11
Step by Step Solution
- Step 1: Write the proportion equation
576,107.44 : 864,202.68 = 221,121.45 : x - Step 2: Convert to fraction form
576,107.44/864,202.68 = 221,121.45/x - Step 3: Cross multiply
576,107.44x = 864,202.68 × 221,121.45 - Step 4: Simplify right side
576,107.44x = 191,093,749,695.49 - Step 5: Solve for x
x = 191,093,749,695.49/576,107.44 - Step 6: Final answer
x = 331,698.11
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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.