Finding the Fourth Proportional to 326,331.64, 489,497.46 and 115,977.88
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Solution
The fourth proportional to 326,331.64, 489,497.46 and 115,977.88 is: 173,966.82
Step by Step Solution
- Step 1: Write the proportion equation
326,331.64 : 489,497.46 = 115,977.88 : x - Step 2: Convert to fraction form
326,331.64/489,497.46 = 115,977.88/x - Step 3: Cross multiply
326,331.64x = 489,497.46 × 115,977.88 - Step 4: Simplify right side
326,331.64x = 56,770,877,676.18 - Step 5: Solve for x
x = 56,770,877,676.18/326,331.64 - Step 6: Final answer
x = 173,966.82
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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.