Finding the Fourth Proportional to 396,201.28, 594,389.34 and 146,883.28
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Solution
The fourth proportional to 396,201.28, 594,389.34 and 146,883.28 is: 220,357.33
Step by Step Solution
- Step 1: Write the proportion equation
396,201.28 : 594,389.34 = 146,883.28 : x - Step 2: Convert to fraction form
396,201.28/594,389.34 = 146,883.28/x - Step 3: Cross multiply
396,201.28x = 594,389.34 × 146,883.28 - Step 4: Simplify right side
396,201.28x = 87,305,855,856.24 - Step 5: Solve for x
x = 87,305,855,856.24/396,201.28 - Step 6: Final answer
x = 220,357.33
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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.