Finding the Fourth Proportional to 325,925.60, 489,107.10 and 192,664.40
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Solution
The fourth proportional to 325,925.60, 489,107.10 and 192,664.40 is: 289,125.88
Step by Step Solution
- Step 1: Write the proportion equation
325,925.60 : 489,107.10 = 192,664.40 : x - Step 2: Convert to fraction form
325,925.60/489,107.10 = 192,664.40/x - Step 3: Cross multiply
325,925.60x = 489,107.10 × 192,664.40 - Step 4: Simplify right side
325,925.60x = 94,233,525,957.24 - Step 5: Solve for x
x = 94,233,525,957.24/325,925.60 - Step 6: Final answer
x = 289,125.88
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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.