Finding the Fourth Proportional to 329,454.10, 493,616.44 and 221,180.68
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Solution
The fourth proportional to 329,454.10, 493,616.44 and 221,180.68 is: 331,391.90
Step by Step Solution
- Step 1: Write the proportion equation
329,454.10 : 493,616.44 = 221,180.68 : x - Step 2: Convert to fraction form
329,454.10/493,616.44 = 221,180.68/x - Step 3: Cross multiply
329,454.10x = 493,616.44 × 221,180.68 - Step 4: Simplify right side
329,454.10x = 109,178,419,858.38 - Step 5: Solve for x
x = 109,178,419,858.38/329,454.10 - Step 6: Final answer
x = 331,391.90
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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.