Finding the Fourth Proportional to 213,589.80, 294,767.82 and 122,956.92
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Solution
The fourth proportional to 213,589.80, 294,767.82 and 122,956.92 is: 169,688.55
Step by Step Solution
- Step 1: Write the proportion equation
213,589.80 : 294,767.82 = 122,956.92 : x - Step 2: Convert to fraction form
213,589.80/294,767.82 = 122,956.92/x - Step 3: Cross multiply
213,589.80x = 294,767.82 × 122,956.92 - Step 4: Simplify right side
213,589.80x = 36,243,743,262.31 - Step 5: Solve for x
x = 36,243,743,262.31/213,589.80 - Step 6: Final answer
x = 169,688.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.