Finding the Fourth Proportional to 483,391.70, 725,087.55 and 203,455.70
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Solution
The fourth proportional to 483,391.70, 725,087.55 and 203,455.70 is: 305,183.55
Step by Step Solution
- Step 1: Write the proportion equation
483,391.70 : 725,087.55 = 203,455.70 : x - Step 2: Convert to fraction form
483,391.70/725,087.55 = 203,455.70/x - Step 3: Cross multiply
483,391.70x = 725,087.55 × 203,455.70 - Step 4: Simplify right side
483,391.70x = 147,523,195,046.54 - Step 5: Solve for x
x = 147,523,195,046.54/483,391.70 - Step 6: Final answer
x = 305,183.55
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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.