Finding the Fourth Proportional to 192,414.24, 288,305.84 and 135,978.71
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Solution
The fourth proportional to 192,414.24, 288,305.84 and 135,978.71 is: 203,745.08
Step by Step Solution
- Step 1: Write the proportion equation
192,414.24 : 288,305.84 = 135,978.71 : x - Step 2: Convert to fraction form
192,414.24/288,305.84 = 135,978.71/x - Step 3: Cross multiply
192,414.24x = 288,305.84 × 135,978.71 - Step 4: Simplify right side
192,414.24x = 39,203,455,107.08 - Step 5: Solve for x
x = 39,203,455,107.08/192,414.24 - Step 6: Final answer
x = 203,745.08
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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.