Finding the Fourth Proportional to 122,517.86, 183,604.39 and 97,446.62
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Solution
The fourth proportional to 122,517.86, 183,604.39 and 97,446.62 is: 146,032.82
Step by Step Solution
- Step 1: Write the proportion equation
122,517.86 : 183,604.39 = 97,446.62 : x - Step 2: Convert to fraction form
122,517.86/183,604.39 = 97,446.62/x - Step 3: Cross multiply
122,517.86x = 183,604.39 × 97,446.62 - Step 4: Simplify right side
122,517.86x = 17,891,627,438.06 - Step 5: Solve for x
x = 17,891,627,438.06/122,517.86 - Step 6: Final answer
x = 146,032.82
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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.