Finding the Fourth Proportional to 127,340.36, 190,748.04 and 74,589.92
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Solution
The fourth proportional to 127,340.36, 190,748.04 and 74,589.92 is: 111,731.12
Step by Step Solution
- Step 1: Write the proportion equation
127,340.36 : 190,748.04 = 74,589.92 : x - Step 2: Convert to fraction form
127,340.36/190,748.04 = 74,589.92/x - Step 3: Cross multiply
127,340.36x = 190,748.04 × 74,589.92 - Step 4: Simplify right side
127,340.36x = 14,227,881,043.76 - Step 5: Solve for x
x = 14,227,881,043.76/127,340.36 - Step 6: Final answer
x = 111,731.12
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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.