Finding the Fourth Proportional to 122,947.80, 184,443.30 and 44,107.80
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Solution
The fourth proportional to 122,947.80, 184,443.30 and 44,107.80 is: 66,169.45
Step by Step Solution
- Step 1: Write the proportion equation
122,947.80 : 184,443.30 = 44,107.80 : x - Step 2: Convert to fraction form
122,947.80/184,443.30 = 44,107.80/x - Step 3: Cross multiply
122,947.80x = 184,443.30 × 44,107.80 - Step 4: Simplify right side
122,947.80x = 8,135,388,187.74 - Step 5: Solve for x
x = 8,135,388,187.74/122,947.80 - Step 6: Final answer
x = 66,169.45
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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.