Finding the Fourth Proportional to 212,073.60, 318,093.84 and 93,748.80
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Solution
The fourth proportional to 212,073.60, 318,093.84 and 93,748.80 is: 140,615.88
Step by Step Solution
- Step 1: Write the proportion equation
212,073.60 : 318,093.84 = 93,748.80 : x - Step 2: Convert to fraction form
212,073.60/318,093.84 = 93,748.80/x - Step 3: Cross multiply
212,073.60x = 318,093.84 × 93,748.80 - Step 4: Simplify right side
212,073.60x = 29,820,915,787.39 - Step 5: Solve for x
x = 29,820,915,787.39/212,073.60 - Step 6: Final answer
x = 140,615.88
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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.