Finding the Fourth Proportional to 80,259.44, 120,384.36 and 27,667.76
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Solution
The fourth proportional to 80,259.44, 120,384.36 and 27,667.76 is: 41,499.99
Step by Step Solution
- Step 1: Write the proportion equation
80,259.44 : 120,384.36 = 27,667.76 : x - Step 2: Convert to fraction form
80,259.44/120,384.36 = 27,667.76/x - Step 3: Cross multiply
80,259.44x = 120,384.36 × 27,667.76 - Step 4: Simplify right side
80,259.44x = 3,330,765,580.23 - Step 5: Solve for x
x = 3,330,765,580.23/80,259.44 - Step 6: Final answer
x = 41,499.99
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1.5x scale
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.