Finding the Fourth Proportional to 332,905.70, 499,358.55 and 133,321.70
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Solution
The fourth proportional to 332,905.70, 499,358.55 and 133,321.70 is: 199,982.55
Step by Step Solution
- Step 1: Write the proportion equation
332,905.70 : 499,358.55 = 133,321.70 : x - Step 2: Convert to fraction form
332,905.70/499,358.55 = 133,321.70/x - Step 3: Cross multiply
332,905.70x = 499,358.55 × 133,321.70 - Step 4: Simplify right side
332,905.70x = 66,575,330,795.54 - Step 5: Solve for x
x = 66,575,330,795.54/332,905.70 - Step 6: Final answer
x = 199,982.55
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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.