Finding the Fourth Proportional to 213,554.13, 294,679.11 and 118,047.84
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Solution
The fourth proportional to 213,554.13, 294,679.11 and 118,047.84 is: 162,891.87
Step by Step Solution
- Step 1: Write the proportion equation
213,554.13 : 294,679.11 = 118,047.84 : x - Step 2: Convert to fraction form
213,554.13/294,679.11 = 118,047.84/x - Step 3: Cross multiply
213,554.13x = 294,679.11 × 118,047.84 - Step 4: Simplify right side
213,554.13x = 34,786,232,428.62 - Step 5: Solve for x
x = 34,786,232,428.62/213,554.13 - Step 6: Final answer
x = 162,891.87
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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.