Finding the Fourth Proportional to 326,156.70, 489,283.66 and 115,777.02
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Solution
The fourth proportional to 326,156.70, 489,283.66 and 115,777.02 is: 173,682.79
Step by Step Solution
- Step 1: Write the proportion equation
326,156.70 : 489,283.66 = 115,777.02 : x - Step 2: Convert to fraction form
326,156.70/489,283.66 = 115,777.02/x - Step 3: Cross multiply
326,156.70x = 489,283.66 × 115,777.02 - Step 4: Simplify right side
326,156.70x = 56,647,804,089.49 - Step 5: Solve for x
x = 56,647,804,089.49/326,156.70 - Step 6: Final answer
x = 173,682.79
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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.