Finding the Fourth Proportional to 73,558.56, 110,338.08 and 18,154.56
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Solution
The fourth proportional to 73,558.56, 110,338.08 and 18,154.56 is: 27,231.90
Step by Step Solution
- Step 1: Write the proportion equation
73,558.56 : 110,338.08 = 18,154.56 : x - Step 2: Convert to fraction form
73,558.56/110,338.08 = 18,154.56/x - Step 3: Cross multiply
73,558.56x = 110,338.08 × 18,154.56 - Step 4: Simplify right side
73,558.56x = 2,003,139,293.64 - Step 5: Solve for x
x = 2,003,139,293.64/73,558.56 - Step 6: Final answer
x = 27,231.90
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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.