Finding the Fourth Proportional to 135,755.24, 203,660.19 and 47,006.78
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Solution
The fourth proportional to 135,755.24, 203,660.19 and 47,006.78 is: 70,519.63
Step by Step Solution
- Step 1: Write the proportion equation
135,755.24 : 203,660.19 = 47,006.78 : x - Step 2: Convert to fraction form
135,755.24/203,660.19 = 47,006.78/x - Step 3: Cross multiply
135,755.24x = 203,660.19 × 47,006.78 - Step 4: Simplify right side
135,755.24x = 9,573,408,727.79 - Step 5: Solve for x
x = 9,573,408,727.79/135,755.24 - Step 6: Final answer
x = 70,519.63
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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.