Finding the Fourth Proportional to 326,537.60, 489,201.60 and 185,878.40
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Solution
The fourth proportional to 326,537.60, 489,201.60 and 185,878.40 is: 278,473.32
Step by Step Solution
- Step 1: Write the proportion equation
326,537.60 : 489,201.60 = 185,878.40 : x - Step 2: Convert to fraction form
326,537.60/489,201.60 = 185,878.40/x - Step 3: Cross multiply
326,537.60x = 489,201.60 × 185,878.40 - Step 4: Simplify right side
326,537.60x = 90,932,010,685.44 - Step 5: Solve for x
x = 90,932,010,685.44/326,537.60 - Step 6: Final answer
x = 278,473.32
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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.