Finding the Fourth Proportional to 135,213.12, 202,819.68 and 35,364.96
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Solution
The fourth proportional to 135,213.12, 202,819.68 and 35,364.96 is: 53,047.44
Step by Step Solution
- Step 1: Write the proportion equation
135,213.12 : 202,819.68 = 35,364.96 : x - Step 2: Convert to fraction form
135,213.12/202,819.68 = 35,364.96/x - Step 3: Cross multiply
135,213.12x = 202,819.68 × 35,364.96 - Step 4: Simplify right side
135,213.12x = 7,172,709,870.41 - Step 5: Solve for x
x = 7,172,709,870.41/135,213.12 - Step 6: Final answer
x = 53,047.44
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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.