Finding the Fourth Proportional to 154,711.80, 232,067.70 and 92,503.80
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Solution
The fourth proportional to 154,711.80, 232,067.70 and 92,503.80 is: 138,755.70
Step by Step Solution
- Step 1: Write the proportion equation
154,711.80 : 232,067.70 = 92,503.80 : x - Step 2: Convert to fraction form
154,711.80/232,067.70 = 92,503.80/x - Step 3: Cross multiply
154,711.80x = 232,067.70 × 92,503.80 - Step 4: Simplify right side
154,711.80x = 21,467,144,107.26 - Step 5: Solve for x
x = 21,467,144,107.26/154,711.80 - Step 6: Final answer
x = 138,755.70
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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.