Finding the Fourth Proportional to 203,830.08, 305,865.41 and 77,576.62
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Solution
The fourth proportional to 203,830.08, 305,865.41 and 77,576.62 is: 116,410.71
Step by Step Solution
- Step 1: Write the proportion equation
203,830.08 : 305,865.41 = 77,576.62 : x - Step 2: Convert to fraction form
203,830.08/305,865.41 = 77,576.62/x - Step 3: Cross multiply
203,830.08x = 305,865.41 × 77,576.62 - Step 4: Simplify right side
203,830.08x = 23,728,004,682.71 - Step 5: Solve for x
x = 23,728,004,682.71/203,830.08 - Step 6: Final answer
x = 116,410.71
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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.