Finding the Fourth Proportional to 126,352.03, 189,517.09 and 51,480.08
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Solution
The fourth proportional to 126,352.03, 189,517.09 and 51,480.08 is: 77,215.66
Step by Step Solution
- Step 1: Write the proportion equation
126,352.03 : 189,517.09 = 51,480.08 : x - Step 2: Convert to fraction form
126,352.03/189,517.09 = 51,480.08/x - Step 3: Cross multiply
126,352.03x = 189,517.09 × 51,480.08 - Step 4: Simplify right side
126,352.03x = 9,756,354,954.57 - Step 5: Solve for x
x = 9,756,354,954.57/126,352.03 - Step 6: Final answer
x = 77,215.66
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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.