Finding the Fourth Proportional to 122,758.07, 184,137.26 and 38,524.68
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Solution
The fourth proportional to 122,758.07, 184,137.26 and 38,524.68 is: 57,787.07
Step by Step Solution
- Step 1: Write the proportion equation
122,758.07 : 184,137.26 = 38,524.68 : x - Step 2: Convert to fraction form
122,758.07/184,137.26 = 38,524.68/x - Step 3: Cross multiply
122,758.07x = 184,137.26 × 38,524.68 - Step 4: Simplify right side
122,758.07x = 7,093,828,824.95 - Step 5: Solve for x
x = 7,093,828,824.95/122,758.07 - Step 6: Final answer
x = 57,787.07
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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.