Finding the Fourth Proportional to 160,181.97, 240,418.49 and 85,366.05
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Solution
The fourth proportional to 160,181.97, 240,418.49 and 85,366.05 is: 128,126.63
Step by Step Solution
- Step 1: Write the proportion equation
160,181.97 : 240,418.49 = 85,366.05 : x - Step 2: Convert to fraction form
160,181.97/240,418.49 = 85,366.05/x - Step 3: Cross multiply
160,181.97x = 240,418.49 × 85,366.05 - Step 4: Simplify right side
160,181.97x = 20,523,576,411.43 - Step 5: Solve for x
x = 20,523,576,411.43/160,181.97 - Step 6: Final answer
x = 128,126.63
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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.