Finding the Fourth Proportional to 227,043.63, 313,320.28 and 131,605.68
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Solution
The fourth proportional to 227,043.63, 313,320.28 and 131,605.68 is: 181,615.88
Step by Step Solution
- Step 1: Write the proportion equation
227,043.63 : 313,320.28 = 131,605.68 : x - Step 2: Convert to fraction form
227,043.63/313,320.28 = 131,605.68/x - Step 3: Cross multiply
227,043.63x = 313,320.28 × 131,605.68 - Step 4: Simplify right side
227,043.63x = 41,234,728,178.18 - Step 5: Solve for x
x = 41,234,728,178.18/227,043.63 - Step 6: Final answer
x = 181,615.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.