Finding the Fourth Proportional to 127,057.13, 190,537.09 and 42,794.62
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Solution
The fourth proportional to 127,057.13, 190,537.09 and 42,794.62 is: 64,175.56
Step by Step Solution
- Step 1: Write the proportion equation
127,057.13 : 190,537.09 = 42,794.62 : x - Step 2: Convert to fraction form
127,057.13/190,537.09 = 42,794.62/x - Step 3: Cross multiply
127,057.13x = 190,537.09 × 42,794.62 - Step 4: Simplify right side
127,057.13x = 8,153,962,362.46 - Step 5: Solve for x
x = 8,153,962,362.46/127,057.13 - Step 6: Final answer
x = 64,175.56
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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.