Finding the Fourth Proportional to 489,135.60, 733,922.10 and 173,818.80
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Solution
The fourth proportional to 489,135.60, 733,922.10 and 173,818.80 is: 260,805.92
Step by Step Solution
- Step 1: Write the proportion equation
489,135.60 : 733,922.10 = 173,818.80 : x - Step 2: Convert to fraction form
489,135.60/733,922.10 = 173,818.80/x - Step 3: Cross multiply
489,135.60x = 733,922.10 × 173,818.80 - Step 4: Simplify right side
489,135.60x = 127,569,458,715.48 - Step 5: Solve for x
x = 127,569,458,715.48/489,135.60 - Step 6: Final answer
x = 260,805.92
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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.