Finding the Fourth Proportional to 73,555.70, 110,334.64 and 18,151.70
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Solution
The fourth proportional to 73,555.70, 110,334.64 and 18,151.70 is: 27,227.82
Step by Step Solution
- Step 1: Write the proportion equation
73,555.70 : 110,334.64 = 18,151.70 : x - Step 2: Convert to fraction form
73,555.70/110,334.64 = 18,151.70/x - Step 3: Cross multiply
73,555.70x = 110,334.64 × 18,151.70 - Step 4: Simplify right side
73,555.70x = 2,002,761,284.89 - Step 5: Solve for x
x = 2,002,761,284.89/73,555.70 - Step 6: Final answer
x = 27,227.82
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1.5x scale
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.