Finding the Fourth Proportional to 122,876.11, 184,380.36 and 51,847.95
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Solution
The fourth proportional to 122,876.11, 184,380.36 and 51,847.95 is: 77,799.86
Step by Step Solution
- Step 1: Write the proportion equation
122,876.11 : 184,380.36 = 51,847.95 : x - Step 2: Convert to fraction form
122,876.11/184,380.36 = 51,847.95/x - Step 3: Cross multiply
122,876.11x = 184,380.36 × 51,847.95 - Step 4: Simplify right side
122,876.11x = 9,559,743,686.26 - Step 5: Solve for x
x = 9,559,743,686.26/122,876.11 - Step 6: Final answer
x = 77,799.86
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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.