Finding the Fourth Proportional to 311,544.60, 466,660.80 and 252,495.60
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Solution
The fourth proportional to 311,544.60, 466,660.80 and 252,495.60 is: 378,211.65
Step by Step Solution
- Step 1: Write the proportion equation
311,544.60 : 466,660.80 = 252,495.60 : x - Step 2: Convert to fraction form
311,544.60/466,660.80 = 252,495.60/x - Step 3: Cross multiply
311,544.60x = 466,660.80 × 252,495.60 - Step 4: Simplify right side
311,544.60x = 117,829,798,692.48 - Step 5: Solve for x
x = 117,829,798,692.48/311,544.60 - Step 6: Final answer
x = 378,211.65
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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.