Finding the Fourth Proportional to 326,626.24, 489,083.99 and 213,952.00
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Solution
The fourth proportional to 326,626.24, 489,083.99 and 213,952.00 is: 320,367.70
Step by Step Solution
- Step 1: Write the proportion equation
326,626.24 : 489,083.99 = 213,952.00 : x - Step 2: Convert to fraction form
326,626.24/489,083.99 = 213,952.00/x - Step 3: Cross multiply
326,626.24x = 489,083.99 × 213,952.00 - Step 4: Simplify right side
326,626.24x = 104,640,494,313.30 - Step 5: Solve for x
x = 104,640,494,313.30/326,626.24 - Step 6: Final answer
x = 320,367.70
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1.5x scale
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.