Finding the Fourth Proportional to 326,441.07, 489,366.50 and 116,029.80
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Solution
The fourth proportional to 326,441.07, 489,366.50 and 116,029.80 is: 173,939.81
Step by Step Solution
- Step 1: Write the proportion equation
326,441.07 : 489,366.50 = 116,029.80 : x - Step 2: Convert to fraction form
326,441.07/489,366.50 = 116,029.80/x - Step 3: Cross multiply
326,441.07x = 489,366.50 × 116,029.80 - Step 4: Simplify right side
326,441.07x = 56,781,096,541.55 - Step 5: Solve for x
x = 56,781,096,541.55/326,441.07 - Step 6: Final answer
x = 173,939.81
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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.