Finding the Fourth Proportional to 135,882.40, 203,830.70 and 41,110.20
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Solution
The fourth proportional to 135,882.40, 203,830.70 and 41,110.20 is: 61,667.45
Step by Step Solution
- Step 1: Write the proportion equation
135,882.40 : 203,830.70 = 41,110.20 : x - Step 2: Convert to fraction form
135,882.40/203,830.70 = 41,110.20/x - Step 3: Cross multiply
135,882.40x = 203,830.70 × 41,110.20 - Step 4: Simplify right side
135,882.40x = 8,379,520,843.14 - Step 5: Solve for x
x = 8,379,520,843.14/135,882.40 - Step 6: Final answer
x = 61,667.45
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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.