Finding the Fourth Proportional to 154,763.68, 232,135.88 and 54,910.76
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Solution
The fourth proportional to 154,763.68, 232,135.88 and 54,910.76 is: 82,362.72
Step by Step Solution
- Step 1: Write the proportion equation
154,763.68 : 232,135.88 = 54,910.76 : x - Step 2: Convert to fraction form
154,763.68/232,135.88 = 54,910.76/x - Step 3: Cross multiply
154,763.68x = 232,135.88 × 54,910.76 - Step 4: Simplify right side
154,763.68x = 12,746,757,594.07 - Step 5: Solve for x
x = 12,746,757,594.07/154,763.68 - Step 6: Final answer
x = 82,362.72
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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.