Finding the Fourth Proportional to 486,257.37, 729,328.64 and 131,299.08
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Solution
The fourth proportional to 486,257.37, 729,328.64 and 131,299.08 is: 196,933.12
Step by Step Solution
- Step 1: Write the proportion equation
486,257.37 : 729,328.64 = 131,299.08 : x - Step 2: Convert to fraction form
486,257.37/729,328.64 = 131,299.08/x - Step 3: Cross multiply
486,257.37x = 729,328.64 × 131,299.08 - Step 4: Simplify right side
486,257.37x = 95,760,178,793.16 - Step 5: Solve for x
x = 95,760,178,793.16/486,257.37 - Step 6: Final answer
x = 196,933.12
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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.