Finding the Fourth Proportional to 263,894.29, 396,389.79 and 213,350.45
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Solution
The fourth proportional to 263,894.29, 396,389.79 and 213,350.45 is: 320,468.99
Step by Step Solution
- Step 1: Write the proportion equation
263,894.29 : 396,389.79 = 213,350.45 : x - Step 2: Convert to fraction form
263,894.29/396,389.79 = 213,350.45/x - Step 3: Cross multiply
263,894.29x = 396,389.79 × 213,350.45 - Step 4: Simplify right side
263,894.29x = 84,569,937,023.20 - Step 5: Solve for x
x = 84,569,937,023.20/263,894.29 - Step 6: Final answer
x = 320,468.99
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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.