Finding the Fourth Proportional to 135,423.36, 203,211.84 and 73,092.48
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Solution
The fourth proportional to 135,423.36, 203,211.84 and 73,092.48 is: 109,680.17
Step by Step Solution
- Step 1: Write the proportion equation
135,423.36 : 203,211.84 = 73,092.48 : x - Step 2: Convert to fraction form
135,423.36/203,211.84 = 73,092.48/x - Step 3: Cross multiply
135,423.36x = 203,211.84 × 73,092.48 - Step 4: Simplify right side
135,423.36x = 14,853,257,350.96 - Step 5: Solve for x
x = 14,853,257,350.96/135,423.36 - Step 6: Final answer
x = 109,680.17
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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.