Finding the Fourth Proportional to 326,588.84, 489,925.50 and 225,198.44
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Solution
The fourth proportional to 326,588.84, 489,925.50 and 225,198.44 is: 337,826.79
Step by Step Solution
- Step 1: Write the proportion equation
326,588.84 : 489,925.50 = 225,198.44 : x - Step 2: Convert to fraction form
326,588.84/489,925.50 = 225,198.44/x - Step 3: Cross multiply
326,588.84x = 489,925.50 × 225,198.44 - Step 4: Simplify right side
326,588.84x = 110,330,458,316.22 - Step 5: Solve for x
x = 110,330,458,316.22/326,588.84 - Step 6: Final answer
x = 337,826.79
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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.