Finding the Fourth Proportional to 326,894.44, 489,428.12 and 176,596.28
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Solution
The fourth proportional to 326,894.44, 489,428.12 and 176,596.28 is: 264,400.90
Step by Step Solution
- Step 1: Write the proportion equation
326,894.44 : 489,428.12 = 176,596.28 : x - Step 2: Convert to fraction form
326,894.44/489,428.12 = 176,596.28/x - Step 3: Cross multiply
326,894.44x = 489,428.12 × 176,596.28 - Step 4: Simplify right side
326,894.44x = 86,431,185,319.39 - Step 5: Solve for x
x = 86,431,185,319.39/326,894.44 - Step 6: Final answer
x = 264,400.90
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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.