Finding the Fourth Proportional to 80,124.24, 120,189.12 and 27,533.28
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Solution
The fourth proportional to 80,124.24, 120,189.12 and 27,533.28 is: 41,300.87
Step by Step Solution
- Step 1: Write the proportion equation
80,124.24 : 120,189.12 = 27,533.28 : x - Step 2: Convert to fraction form
80,124.24/120,189.12 = 27,533.28/x - Step 3: Cross multiply
80,124.24x = 120,189.12 × 27,533.28 - Step 4: Simplify right side
80,124.24x = 3,309,200,693.91 - Step 5: Solve for x
x = 3,309,200,693.91/80,124.24 - Step 6: Final answer
x = 41,300.87
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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.