Finding the Fourth Proportional to 187,234.26, 280,734.36 and 79,108.03
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Solution
The fourth proportional to 187,234.26, 280,734.36 and 79,108.03 is: 118,612.60
Step by Step Solution
- Step 1: Write the proportion equation
187,234.26 : 280,734.36 = 79,108.03 : x - Step 2: Convert to fraction form
187,234.26/280,734.36 = 79,108.03/x - Step 3: Cross multiply
187,234.26x = 280,734.36 × 79,108.03 - Step 4: Simplify right side
187,234.26x = 22,208,342,227.17 - Step 5: Solve for x
x = 22,208,342,227.17/187,234.26 - Step 6: Final answer
x = 118,612.60
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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.