Finding the Fourth Proportional to 120,639.00, 180,986.30 and 41,753.23
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Solution
The fourth proportional to 120,639.00, 180,986.30 and 41,753.23 is: 62,639.46
Step by Step Solution
- Step 1: Write the proportion equation
120,639.00 : 180,986.30 = 41,753.23 : x - Step 2: Convert to fraction form
120,639.00/180,986.30 = 41,753.23/x - Step 3: Cross multiply
120,639.00x = 180,986.30 × 41,753.23 - Step 4: Simplify right side
120,639.00x = 7,556,761,497.05 - Step 5: Solve for x
x = 7,556,761,497.05/120,639.00 - Step 6: Final answer
x = 62,639.46
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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.