Finding the Fourth Proportional to 122,532.80, 183,820.80 and 43,692.80
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Solution
The fourth proportional to 122,532.80, 183,820.80 and 43,692.80 is: 65,546.90
Step by Step Solution
- Step 1: Write the proportion equation
122,532.80 : 183,820.80 = 43,692.80 : x - Step 2: Convert to fraction form
122,532.80/183,820.80 = 43,692.80/x - Step 3: Cross multiply
122,532.80x = 183,820.80 × 43,692.80 - Step 4: Simplify right side
122,532.80x = 8,031,645,450.24 - Step 5: Solve for x
x = 8,031,645,450.24/122,532.80 - Step 6: Final answer
x = 65,546.90
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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.