Finding the Fourth Proportional to 325,137.92, 487,748.42 and 125,515.44
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Solution
The fourth proportional to 325,137.92, 487,748.42 and 125,515.44 is: 188,289.20
Step by Step Solution
- Step 1: Write the proportion equation
325,137.92 : 487,748.42 = 125,515.44 : x - Step 2: Convert to fraction form
325,137.92/487,748.42 = 125,515.44/x - Step 3: Cross multiply
325,137.92x = 487,748.42 × 125,515.44 - Step 4: Simplify right side
325,137.92x = 61,219,957,545.60 - Step 5: Solve for x
x = 61,219,957,545.60/325,137.92 - Step 6: Final answer
x = 188,289.20
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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.