Finding the Fourth Proportional to 320,826.96, 481,265.28 and 107,596.08
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Solution
The fourth proportional to 320,826.96, 481,265.28 and 107,596.08 is: 161,402.45
Step by Step Solution
- Step 1: Write the proportion equation
320,826.96 : 481,265.28 = 107,596.08 : x - Step 2: Convert to fraction form
320,826.96/481,265.28 = 107,596.08/x - Step 3: Cross multiply
320,826.96x = 481,265.28 × 107,596.08 - Step 4: Simplify right side
320,826.96x = 51,782,257,568.10 - Step 5: Solve for x
x = 51,782,257,568.10/320,826.96 - Step 6: Final answer
x = 161,402.45
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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.