Finding the Fourth Proportional to 215,931.44, 323,944.55 and 66,183.00
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Solution
The fourth proportional to 215,931.44, 323,944.55 and 66,183.00 is: 99,289.02
Step by Step Solution
- Step 1: Write the proportion equation
215,931.44 : 323,944.55 = 66,183.00 : x - Step 2: Convert to fraction form
215,931.44/323,944.55 = 66,183.00/x - Step 3: Cross multiply
215,931.44x = 323,944.55 × 66,183.00 - Step 4: Simplify right side
215,931.44x = 21,439,620,855.13 - Step 5: Solve for x
x = 21,439,620,855.13/215,931.44 - Step 6: Final answer
x = 99,289.02
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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.