Finding the Fourth Proportional to 326,530.97, 489,937.39 and 168,870.14
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Solution
The fourth proportional to 326,530.97, 489,937.39 and 168,870.14 is: 253,378.09
Step by Step Solution
- Step 1: Write the proportion equation
326,530.97 : 489,937.39 = 168,870.14 : x - Step 2: Convert to fraction form
326,530.97/489,937.39 = 168,870.14/x - Step 3: Cross multiply
326,530.97x = 489,937.39 × 168,870.14 - Step 4: Simplify right side
326,530.97x = 82,735,792,768.67 - Step 5: Solve for x
x = 82,735,792,768.67/326,530.97 - Step 6: Final answer
x = 253,378.09
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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.