Finding the Fourth Proportional to 212,077.60, 318,099.84 and 93,752.80
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Solution
The fourth proportional to 212,077.60, 318,099.84 and 93,752.80 is: 140,621.88
Step by Step Solution
- Step 1: Write the proportion equation
212,077.60 : 318,099.84 = 93,752.80 : x - Step 2: Convert to fraction form
212,077.60/318,099.84 = 93,752.80/x - Step 3: Cross multiply
212,077.60x = 318,099.84 × 93,752.80 - Step 4: Simplify right side
212,077.60x = 29,822,750,679.55 - Step 5: Solve for x
x = 29,822,750,679.55/212,077.60 - Step 6: Final answer
x = 140,621.88
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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.