Finding the Fourth Proportional to 122,427.40, 183,446.70 and 102,598.60
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Solution
The fourth proportional to 122,427.40, 183,446.70 and 102,598.60 is: 153,734.99
Step by Step Solution
- Step 1: Write the proportion equation
122,427.40 : 183,446.70 = 102,598.60 : x - Step 2: Convert to fraction form
122,427.40/183,446.70 = 102,598.60/x - Step 3: Cross multiply
122,427.40x = 183,446.70 × 102,598.60 - Step 4: Simplify right side
122,427.40x = 18,821,374,594.62 - Step 5: Solve for x
x = 18,821,374,594.62/122,427.40 - Step 6: Final answer
x = 153,734.99
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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.