Finding the Fourth Proportional to 135,604.20, 203,843.70 and 96,432.60
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Solution
The fourth proportional to 135,604.20, 203,843.70 and 96,432.60 is: 144,959.95
Step by Step Solution
- Step 1: Write the proportion equation
135,604.20 : 203,843.70 = 96,432.60 : x - Step 2: Convert to fraction form
135,604.20/203,843.70 = 96,432.60/x - Step 3: Cross multiply
135,604.20x = 203,843.70 × 96,432.60 - Step 4: Simplify right side
135,604.20x = 19,657,177,984.62 - Step 5: Solve for x
x = 19,657,177,984.62/135,604.20 - Step 6: Final answer
x = 144,959.95
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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.