Finding the Fourth Proportional to 332,139.70, 498,209.55 and 273,819.70
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Solution
The fourth proportional to 332,139.70, 498,209.55 and 273,819.70 is: 410,729.55
Step by Step Solution
- Step 1: Write the proportion equation
332,139.70 : 498,209.55 = 273,819.70 : x - Step 2: Convert to fraction form
332,139.70/498,209.55 = 273,819.70/x - Step 3: Cross multiply
332,139.70x = 498,209.55 × 273,819.70 - Step 4: Simplify right side
332,139.70x = 136,419,589,518.14 - Step 5: Solve for x
x = 136,419,589,518.14/332,139.70 - Step 6: Final answer
x = 410,729.55
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1.5x scale
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.