Finding the Fourth Proportional to 127,010.70, 177,581.70 and 127,010.70
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Solution
The fourth proportional to 127,010.70, 177,581.70 and 127,010.70 is: 177,581.70
Step by Step Solution
- Step 1: Write the proportion equation
127,010.70 : 177,581.70 = 127,010.70 : x - Step 2: Convert to fraction form
127,010.70/177,581.70 = 127,010.70/x - Step 3: Cross multiply
127,010.70x = 177,581.70 × 127,010.70 - Step 4: Simplify right side
127,010.70x = 22,554,776,024.19 - Step 5: Solve for x
x = 22,554,776,024.19/127,010.70 - Step 6: Final answer
x = 177,581.70
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1.5x scale
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.