Finding the Fourth Proportional to 303,515.10, 454,908.15 and 125,930.70
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Solution
The fourth proportional to 303,515.10, 454,908.15 and 125,930.70 is: 188,744.82
Step by Step Solution
- Step 1: Write the proportion equation
303,515.10 : 454,908.15 = 125,930.70 : x - Step 2: Convert to fraction form
303,515.10/454,908.15 = 125,930.70/x - Step 3: Cross multiply
303,515.10x = 454,908.15 × 125,930.70 - Step 4: Simplify right side
303,515.10x = 57,286,901,765.21 - Step 5: Solve for x
x = 57,286,901,765.21/303,515.10 - Step 6: Final answer
x = 188,744.82
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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.