Finding the Fourth Proportional to 180,564.99, 270,615.69 and 68,111.28
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Solution
The fourth proportional to 180,564.99, 270,615.69 and 68,111.28 is: 102,079.48
Step by Step Solution
- Step 1: Write the proportion equation
180,564.99 : 270,615.69 = 68,111.28 : x - Step 2: Convert to fraction form
180,564.99/270,615.69 = 68,111.28/x - Step 3: Cross multiply
180,564.99x = 270,615.69 × 68,111.28 - Step 4: Simplify right side
180,564.99x = 18,431,981,033.98 - Step 5: Solve for x
x = 18,431,981,033.98/180,564.99 - Step 6: Final answer
x = 102,079.48
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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.