Finding the Fourth Proportional to 326,101.95, 489,201.53 and 115,722.27
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Solution
The fourth proportional to 326,101.95, 489,201.53 and 115,722.27 is: 173,600.65
Step by Step Solution
- Step 1: Write the proportion equation
326,101.95 : 489,201.53 = 115,722.27 : x - Step 2: Convert to fraction form
326,101.95/489,201.53 = 115,722.27/x - Step 3: Cross multiply
326,101.95x = 489,201.53 × 115,722.27 - Step 4: Simplify right side
326,101.95x = 56,611,510,960.46 - Step 5: Solve for x
x = 56,611,510,960.46/326,101.95 - Step 6: Final answer
x = 173,600.65
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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.