Finding the Fourth Proportional to 326,094.05, 489,141.08 and 115,704.65
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Solution
The fourth proportional to 326,094.05, 489,141.08 and 115,704.65 is: 173,556.98
Step by Step Solution
- Step 1: Write the proportion equation
326,094.05 : 489,141.08 = 115,704.65 : x - Step 2: Convert to fraction form
326,094.05/489,141.08 = 115,704.65/x - Step 3: Cross multiply
326,094.05x = 489,141.08 × 115,704.65 - Step 4: Simplify right side
326,094.05x = 56,595,896,883.50 - Step 5: Solve for x
x = 56,595,896,883.50/326,094.05 - Step 6: Final answer
x = 173,556.98
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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.