Finding the Fourth Proportional to 122,647.68, 183,817.62 and 52,444.44
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Solution
The fourth proportional to 122,647.68, 183,817.62 and 52,444.44 is: 78,600.85
Step by Step Solution
- Step 1: Write the proportion equation
122,647.68 : 183,817.62 = 52,444.44 : x - Step 2: Convert to fraction form
122,647.68/183,817.62 = 52,444.44/x - Step 3: Cross multiply
122,647.68x = 183,817.62 × 52,444.44 - Step 4: Simplify right side
122,647.68x = 9,640,212,143.03 - Step 5: Solve for x
x = 9,640,212,143.03/122,647.68 - Step 6: Final answer
x = 78,600.85
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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.