Finding the Fourth Proportional to 396,379.99, 594,548.74 and 140,194.81
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Solution
The fourth proportional to 396,379.99, 594,548.74 and 140,194.81 is: 210,284.70
Step by Step Solution
- Step 1: Write the proportion equation
396,379.99 : 594,548.74 = 140,194.81 : x - Step 2: Convert to fraction form
396,379.99/594,548.74 = 140,194.81/x - Step 3: Cross multiply
396,379.99x = 594,548.74 × 140,194.81 - Step 4: Simplify right side
396,379.99x = 83,352,647,640.04 - Step 5: Solve for x
x = 83,352,647,640.04/396,379.99 - Step 6: Final answer
x = 210,284.70
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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.