Finding the Fourth Proportional to 296,103.98, 408,622.28 and 160,138.06
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Solution
The fourth proportional to 296,103.98, 408,622.28 and 160,138.06 is: 220,989.87
Step by Step Solution
- Step 1: Write the proportion equation
296,103.98 : 408,622.28 = 160,138.06 : x - Step 2: Convert to fraction form
296,103.98/408,622.28 = 160,138.06/x - Step 3: Cross multiply
296,103.98x = 408,622.28 × 160,138.06 - Step 4: Simplify right side
296,103.98x = 65,435,979,191.98 - Step 5: Solve for x
x = 65,435,979,191.98/296,103.98 - Step 6: Final answer
x = 220,989.87
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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.