Finding the Fourth Proportional to 179,231.40, 268,847.10 and 74,125.80
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Solution
The fourth proportional to 179,231.40, 268,847.10 and 74,125.80 is: 111,188.70
Step by Step Solution
- Step 1: Write the proportion equation
179,231.40 : 268,847.10 = 74,125.80 : x - Step 2: Convert to fraction form
179,231.40/268,847.10 = 74,125.80/x - Step 3: Cross multiply
179,231.40x = 268,847.10 × 74,125.80 - Step 4: Simplify right side
179,231.40x = 19,928,506,365.18 - Step 5: Solve for x
x = 19,928,506,365.18/179,231.40 - Step 6: Final answer
x = 111,188.70
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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.