Finding the Fourth Proportional to 213,305.09, 294,335.84 and 117,806.09
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Solution
The fourth proportional to 213,305.09, 294,335.84 and 117,806.09 is: 162,558.49
Step by Step Solution
- Step 1: Write the proportion equation
213,305.09 : 294,335.84 = 117,806.09 : x - Step 2: Convert to fraction form
213,305.09/294,335.84 = 117,806.09/x - Step 3: Cross multiply
213,305.09x = 294,335.84 × 117,806.09 - Step 4: Simplify right side
213,305.09x = 34,674,552,396.56 - Step 5: Solve for x
x = 34,674,552,396.56/213,305.09 - Step 6: Final answer
x = 162,558.49
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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.