Finding the Fourth Proportional to 332,190.70, 498,286.05 and 121,801.30
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Solution
The fourth proportional to 332,190.70, 498,286.05 and 121,801.30 is: 182,701.95
Step by Step Solution
- Step 1: Write the proportion equation
332,190.70 : 498,286.05 = 121,801.30 : x - Step 2: Convert to fraction form
332,190.70/498,286.05 = 121,801.30/x - Step 3: Cross multiply
332,190.70x = 498,286.05 × 121,801.30 - Step 4: Simplify right side
332,190.70x = 60,691,888,661.87 - Step 5: Solve for x
x = 60,691,888,661.87/332,190.70 - Step 6: Final answer
x = 182,701.95
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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.