Finding the Fourth Proportional to 80,330.86, 120,509.99 and 27,027.93
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Solution
The fourth proportional to 80,330.86, 120,509.99 and 27,027.93 is: 40,546.50
Step by Step Solution
- Step 1: Write the proportion equation
80,330.86 : 120,509.99 = 27,027.93 : x - Step 2: Convert to fraction form
80,330.86/120,509.99 = 27,027.93/x - Step 3: Cross multiply
80,330.86x = 120,509.99 × 27,027.93 - Step 4: Simplify right side
80,330.86x = 3,257,135,574.02 - Step 5: Solve for x
x = 3,257,135,574.02/80,330.86 - Step 6: Final answer
x = 40,546.50
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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.