Finding the Fourth Proportional to 122,652.68, 183,825.12 and 52,449.44
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Solution
The fourth proportional to 122,652.68, 183,825.12 and 52,449.44 is: 78,608.35
Step by Step Solution
- Step 1: Write the proportion equation
122,652.68 : 183,825.12 = 52,449.44 : x - Step 2: Convert to fraction form
122,652.68/183,825.12 = 52,449.44/x - Step 3: Cross multiply
122,652.68x = 183,825.12 × 52,449.44 - Step 4: Simplify right side
122,652.68x = 9,641,524,601.93 - Step 5: Solve for x
x = 9,641,524,601.93/122,652.68 - Step 6: Final answer
x = 78,608.35
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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.