Finding the Fourth Proportional to 160,239.75, 221,130.43 and 92,231.88
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Solution
The fourth proportional to 160,239.75, 221,130.43 and 92,231.88 is: 127,279.75
Step by Step Solution
- Step 1: Write the proportion equation
160,239.75 : 221,130.43 = 92,231.88 : x - Step 2: Convert to fraction form
160,239.75/221,130.43 = 92,231.88/x - Step 3: Cross multiply
160,239.75x = 221,130.43 × 92,231.88 - Step 4: Simplify right side
160,239.75x = 20,395,275,284.11 - Step 5: Solve for x
x = 20,395,275,284.11/160,239.75 - Step 6: Final answer
x = 127,279.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.