Finding the Fourth Proportional to 73,378.56, 110,132.64 and 40,128.96
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Solution
The fourth proportional to 73,378.56, 110,132.64 and 40,128.96 is: 60,228.88
Step by Step Solution
- Step 1: Write the proportion equation
73,378.56 : 110,132.64 = 40,128.96 : x - Step 2: Convert to fraction form
73,378.56/110,132.64 = 40,128.96/x - Step 3: Cross multiply
73,378.56x = 110,132.64 × 40,128.96 - Step 4: Simplify right side
73,378.56x = 4,419,508,305.25 - Step 5: Solve for x
x = 4,419,508,305.25/73,378.56 - Step 6: Final answer
x = 60,228.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.