Finding the Fourth Proportional to 396,380.09, 594,660.96 and 171,778.23
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Solution
The fourth proportional to 396,380.09, 594,660.96 and 171,778.23 is: 257,706.70
Step by Step Solution
- Step 1: Write the proportion equation
396,380.09 : 594,660.96 = 171,778.23 : x - Step 2: Convert to fraction form
396,380.09/594,660.96 = 171,778.23/x - Step 3: Cross multiply
396,380.09x = 594,660.96 × 171,778.23 - Step 4: Simplify right side
396,380.09x = 102,149,807,158.90 - Step 5: Solve for x
x = 102,149,807,158.90/396,380.09 - Step 6: Final answer
x = 257,706.70
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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.