Finding the Fourth Proportional to 326,175.24, 489,311.50 and 115,795.56
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Solution
The fourth proportional to 326,175.24, 489,311.50 and 115,795.56 is: 173,710.61
Step by Step Solution
- Step 1: Write the proportion equation
326,175.24 : 489,311.50 = 115,795.56 : x - Step 2: Convert to fraction form
326,175.24/489,311.50 = 115,795.56/x - Step 3: Cross multiply
326,175.24x = 489,311.50 × 115,795.56 - Step 4: Simplify right side
326,175.24x = 56,660,099,156.94 - Step 5: Solve for x
x = 56,660,099,156.94/326,175.24 - Step 6: Final answer
x = 173,710.61
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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.