Finding the Fourth Proportional to 122,204.22, 183,328.20 and 80,170.08
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Solution
The fourth proportional to 122,204.22, 183,328.20 and 80,170.08 is: 120,269.47
Step by Step Solution
- Step 1: Write the proportion equation
122,204.22 : 183,328.20 = 80,170.08 : x - Step 2: Convert to fraction form
122,204.22/183,328.20 = 80,170.08/x - Step 3: Cross multiply
122,204.22x = 183,328.20 × 80,170.08 - Step 4: Simplify right side
122,204.22x = 14,697,436,460.26 - Step 5: Solve for x
x = 14,697,436,460.26/122,204.22 - Step 6: Final answer
x = 120,269.47
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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.