Finding the Fourth Proportional to 326,063.06, 489,168.21 and 115,701.02
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Solution
The fourth proportional to 326,063.06, 489,168.21 and 115,701.02 is: 173,577.65
Step by Step Solution
- Step 1: Write the proportion equation
326,063.06 : 489,168.21 = 115,701.02 : x - Step 2: Convert to fraction form
326,063.06/489,168.21 = 115,701.02/x - Step 3: Cross multiply
326,063.06x = 489,168.21 × 115,701.02 - Step 4: Simplify right side
326,063.06x = 56,597,260,848.57 - Step 5: Solve for x
x = 56,597,260,848.57/326,063.06 - Step 6: Final answer
x = 173,577.65
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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.