Finding the Fourth Proportional to 212,079.60, 318,102.84 and 93,754.80
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Solution
The fourth proportional to 212,079.60, 318,102.84 and 93,754.80 is: 140,624.88
Step by Step Solution
- Step 1: Write the proportion equation
212,079.60 : 318,102.84 = 93,754.80 : x - Step 2: Convert to fraction form
212,079.60/318,102.84 = 93,754.80/x - Step 3: Cross multiply
212,079.60x = 318,102.84 × 93,754.80 - Step 4: Simplify right side
212,079.60x = 29,823,668,143.63 - Step 5: Solve for x
x = 29,823,668,143.63/212,079.60 - Step 6: Final answer
x = 140,624.88
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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.