Finding the Fourth Proportional to 132,778.99, 199,227.37 and 69,584.09
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Solution
The fourth proportional to 132,778.99, 199,227.37 and 69,584.09 is: 104,406.99
Step by Step Solution
- Step 1: Write the proportion equation
132,778.99 : 199,227.37 = 69,584.09 : x - Step 2: Convert to fraction form
132,778.99/199,227.37 = 69,584.09/x - Step 3: Cross multiply
132,778.99x = 199,227.37 × 69,584.09 - Step 4: Simplify right side
132,778.99x = 13,863,055,394.69 - Step 5: Solve for x
x = 13,863,055,394.69/132,778.99 - Step 6: Final answer
x = 104,406.99
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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.