Finding the Fourth Proportional to 127,225.70, 177,882.70 and 127,225.70
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Solution
The fourth proportional to 127,225.70, 177,882.70 and 127,225.70 is: 177,882.70
Step by Step Solution
- Step 1: Write the proportion equation
127,225.70 : 177,882.70 = 127,225.70 : x - Step 2: Convert to fraction form
127,225.70/177,882.70 = 127,225.70/x - Step 3: Cross multiply
127,225.70x = 177,882.70 × 127,225.70 - Step 4: Simplify right side
127,225.70x = 22,631,251,025.39 - Step 5: Solve for x
x = 22,631,251,025.39/127,225.70 - Step 6: Final answer
x = 177,882.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.