Finding the Fourth Proportional to 326,159.92, 489,235.02 and 113,083.12
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Solution
The fourth proportional to 326,159.92, 489,235.02 and 113,083.12 is: 169,622.99
Step by Step Solution
- Step 1: Write the proportion equation
326,159.92 : 489,235.02 = 113,083.12 : x - Step 2: Convert to fraction form
326,159.92/489,235.02 = 113,083.12/x - Step 3: Cross multiply
326,159.92x = 489,235.02 × 113,083.12 - Step 4: Simplify right side
326,159.92x = 55,324,222,474.86 - Step 5: Solve for x
x = 55,324,222,474.86/326,159.92 - Step 6: Final answer
x = 169,622.99
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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.