Finding the Fourth Proportional to 122,528.80, 183,793.20 and 102,845.80
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Solution
The fourth proportional to 122,528.80, 183,793.20 and 102,845.80 is: 154,268.70
Step by Step Solution
- Step 1: Write the proportion equation
122,528.80 : 183,793.20 = 102,845.80 : x - Step 2: Convert to fraction form
122,528.80/183,793.20 = 102,845.80/x - Step 3: Cross multiply
122,528.80x = 183,793.20 × 102,845.80 - Step 4: Simplify right side
122,528.80x = 18,902,358,688.56 - Step 5: Solve for x
x = 18,902,358,688.56/122,528.80 - Step 6: Final answer
x = 154,268.70
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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.