Finding the Fourth Proportional to 122,932.68, 184,337.34 and 71,657.88
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Solution
The fourth proportional to 122,932.68, 184,337.34 and 71,657.88 is: 107,450.87
Step by Step Solution
- Step 1: Write the proportion equation
122,932.68 : 184,337.34 = 71,657.88 : x - Step 2: Convert to fraction form
122,932.68/184,337.34 = 71,657.88/x - Step 3: Cross multiply
122,932.68x = 184,337.34 × 71,657.88 - Step 4: Simplify right side
122,932.68x = 13,209,222,989.24 - Step 5: Solve for x
x = 13,209,222,989.24/122,932.68 - Step 6: Final answer
x = 107,450.87
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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.