Finding the Fourth Proportional to 326,331.62, 489,497.46 and 115,977.86
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Solution
The fourth proportional to 326,331.62, 489,497.46 and 115,977.86 is: 173,966.80
Step by Step Solution
- Step 1: Write the proportion equation
326,331.62 : 489,497.46 = 115,977.86 : x - Step 2: Convert to fraction form
326,331.62/489,497.46 = 115,977.86/x - Step 3: Cross multiply
326,331.62x = 489,497.46 × 115,977.86 - Step 4: Simplify right side
326,331.62x = 56,770,867,886.24 - Step 5: Solve for x
x = 56,770,867,886.24/326,331.62 - Step 6: Final answer
x = 173,966.80
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1.5x scale
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.