Finding the Fourth Proportional to 326,623.74, 489,818.97 and 113,336.70
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Solution
The fourth proportional to 326,623.74, 489,818.97 and 113,336.70 is: 169,964.58
Step by Step Solution
- Step 1: Write the proportion equation
326,623.74 : 489,818.97 = 113,336.70 : x - Step 2: Convert to fraction form
326,623.74/489,818.97 = 113,336.70/x - Step 3: Cross multiply
326,623.74x = 489,818.97 × 113,336.70 - Step 4: Simplify right side
326,623.74x = 55,514,465,657.20 - Step 5: Solve for x
x = 55,514,465,657.20/326,623.74 - Step 6: Final answer
x = 169,964.58
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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.