Finding the Fourth Proportional to 135,178.20, 202,440.39 and 131,635.26
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Solution
The fourth proportional to 135,178.20, 202,440.39 and 131,635.26 is: 197,134.55
Step by Step Solution
- Step 1: Write the proportion equation
135,178.20 : 202,440.39 = 131,635.26 : x - Step 2: Convert to fraction form
135,178.20/202,440.39 = 131,635.26/x - Step 3: Cross multiply
135,178.20x = 202,440.39 × 131,635.26 - Step 4: Simplify right side
135,178.20x = 26,648,293,372.15 - Step 5: Solve for x
x = 26,648,293,372.15/135,178.20 - Step 6: Final answer
x = 197,134.55
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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.