Finding the Fourth Proportional to 127,340.24, 190,944.44 and 57,159.12
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Solution
The fourth proportional to 127,340.24, 190,944.44 and 57,159.12 is: 85,709.09
Step by Step Solution
- Step 1: Write the proportion equation
127,340.24 : 190,944.44 = 57,159.12 : x - Step 2: Convert to fraction form
127,340.24/190,944.44 = 57,159.12/x - Step 3: Cross multiply
127,340.24x = 190,944.44 × 57,159.12 - Step 4: Simplify right side
127,340.24x = 10,914,216,159.29 - Step 5: Solve for x
x = 10,914,216,159.29/127,340.24 - Step 6: Final answer
x = 85,709.09
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1.5x scale
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.