Finding the Fourth Proportional to 434,857.77, 652,287.87 and 135,348.12
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Solution
The fourth proportional to 434,857.77, 652,287.87 and 135,348.12 is: 203,022.56
Step by Step Solution
- Step 1: Write the proportion equation
434,857.77 : 652,287.87 = 135,348.12 : x - Step 2: Convert to fraction form
434,857.77/652,287.87 = 135,348.12/x - Step 3: Cross multiply
434,857.77x = 652,287.87 × 135,348.12 - Step 4: Simplify right side
434,857.77x = 88,285,936,903.30 - Step 5: Solve for x
x = 88,285,936,903.30/434,857.77 - Step 6: Final answer
x = 203,022.56
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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.