Finding the Fourth Proportional to 327,026.60, 489,979.35 and 259,766.09
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Solution
The fourth proportional to 327,026.60, 489,979.35 and 259,766.09 is: 389,203.88
Step by Step Solution
- Step 1: Write the proportion equation
327,026.60 : 489,979.35 = 259,766.09 : x - Step 2: Convert to fraction form
327,026.60/489,979.35 = 259,766.09/x - Step 3: Cross multiply
327,026.60x = 489,979.35 × 259,766.09 - Step 4: Simplify right side
327,026.60x = 127,280,021,155.19 - Step 5: Solve for x
x = 127,280,021,155.19/327,026.60 - Step 6: Final answer
x = 389,203.88
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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.