Finding the Fourth Proportional to 166,748.18, 250,257.12 and 129,219.26
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Solution
The fourth proportional to 166,748.18, 250,257.12 and 129,219.26 is: 193,933.39
Step by Step Solution
- Step 1: Write the proportion equation
166,748.18 : 250,257.12 = 129,219.26 : x - Step 2: Convert to fraction form
166,748.18/250,257.12 = 129,219.26/x - Step 3: Cross multiply
166,748.18x = 250,257.12 × 129,219.26 - Step 4: Simplify right side
166,748.18x = 32,338,039,856.13 - Step 5: Solve for x
x = 32,338,039,856.13/166,748.18 - Step 6: Final answer
x = 193,933.39
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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.