Finding the Fourth Proportional to 227,178.63, 340,330.82 and 127,035.09
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Solution
The fourth proportional to 227,178.63, 340,330.82 and 127,035.09 is: 190,308.20
Step by Step Solution
- Step 1: Write the proportion equation
227,178.63 : 340,330.82 = 127,035.09 : x - Step 2: Convert to fraction form
227,178.63/340,330.82 = 127,035.09/x - Step 3: Cross multiply
227,178.63x = 340,330.82 × 127,035.09 - Step 4: Simplify right side
227,178.63x = 43,233,955,713.30 - Step 5: Solve for x
x = 43,233,955,713.30/227,178.63 - Step 6: Final answer
x = 190,308.20
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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.