Finding the Fourth Proportional to 326,489.58, 489,840.21 and 160,160.94
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Solution
The fourth proportional to 326,489.58, 489,840.21 and 160,160.94 is: 240,293.33
Step by Step Solution
- Step 1: Write the proportion equation
326,489.58 : 489,840.21 = 160,160.94 : x - Step 2: Convert to fraction form
326,489.58/489,840.21 = 160,160.94/x - Step 3: Cross multiply
326,489.58x = 489,840.21 × 160,160.94 - Step 4: Simplify right side
326,489.58x = 78,453,268,483.40 - Step 5: Solve for x
x = 78,453,268,483.40/326,489.58 - Step 6: Final answer
x = 240,293.33
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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.