Finding the Fourth Proportional to 477,310.18, 716,163.54 and 193,201.56
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Solution
The fourth proportional to 477,310.18, 716,163.54 and 193,201.56 is: 289,882.60
Step by Step Solution
- Step 1: Write the proportion equation
477,310.18 : 716,163.54 = 193,201.56 : x - Step 2: Convert to fraction form
477,310.18/716,163.54 = 193,201.56/x - Step 3: Cross multiply
477,310.18x = 716,163.54 × 193,201.56 - Step 4: Simplify right side
477,310.18x = 138,363,912,177.12 - Step 5: Solve for x
x = 138,363,912,177.12/477,310.18 - Step 6: Final answer
x = 289,882.60
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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.