Finding the Fourth Proportional to 73,818.86, 110,721.26 and 29,433.74
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Solution
The fourth proportional to 73,818.86, 110,721.26 and 29,433.74 is: 44,147.80
Step by Step Solution
- Step 1: Write the proportion equation
73,818.86 : 110,721.26 = 29,433.74 : x - Step 2: Convert to fraction form
73,818.86/110,721.26 = 29,433.74/x - Step 3: Cross multiply
73,818.86x = 110,721.26 × 29,433.74 - Step 4: Simplify right side
73,818.86x = 3,258,940,299.29 - Step 5: Solve for x
x = 3,258,940,299.29/73,818.86 - Step 6: Final answer
x = 44,147.80
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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.