Finding the Fourth Proportional to 127,126.11, 190,615.01 and 38,352.99
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Solution
The fourth proportional to 127,126.11, 190,615.01 and 38,352.99 is: 57,507.11
Step by Step Solution
- Step 1: Write the proportion equation
127,126.11 : 190,615.01 = 38,352.99 : x - Step 2: Convert to fraction form
127,126.11/190,615.01 = 38,352.99/x - Step 3: Cross multiply
127,126.11x = 190,615.01 × 38,352.99 - Step 4: Simplify right side
127,126.11x = 7,310,655,380.61 - Step 5: Solve for x
x = 7,310,655,380.61/127,126.11 - Step 6: Final answer
x = 57,507.11
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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.