Finding the Fourth Proportional to 325,519.20, 488,351.70 and 125,821.80
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Solution
The fourth proportional to 325,519.20, 488,351.70 and 125,821.80 is: 188,760.88
Step by Step Solution
- Step 1: Write the proportion equation
325,519.20 : 488,351.70 = 125,821.80 : x - Step 2: Convert to fraction form
325,519.20/488,351.70 = 125,821.80/x - Step 3: Cross multiply
325,519.20x = 488,351.70 × 125,821.80 - Step 4: Simplify right side
325,519.20x = 61,445,289,927.06 - Step 5: Solve for x
x = 61,445,289,927.06/325,519.20 - Step 6: Final answer
x = 188,760.88
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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.